The contestants have one last chance to impress the judges; guest judge Chris Hardwick.

(Originally Aired: Tuesday Jul 18, 2017)

The judges score each act’s performance based on artistry, precision and athleticism, with the top two acts from each division advancing; guest judge Misty Copeland.

(Originally Aired: Tuesday Jul 18, 2017)

Barry asks Green Arrow for help when aliens attack Central City, but when they realize that won’t be enough, they track down the Legends of Tomorrow so they can bring Supergirl in on the battle.

(Originally Aired: Tuesday Nov 29, 2016)

Maverick adventurer Hooten and a fearless historical expert named Lady Alexandra go on a global mission to find legendary artifacts.

(Originally Aired: Friday Sep 16, 2016)

Geoffrey Baer meets dancers, musicians, architects and writers in Havana and experiences the color, culture and history of the city.

Joel Sartore travels to Madagascar and the Florida Keys; searching for the key deer in Florida.

(Originally Aired: Tuesday Jul 18, 2017)

Former prisoners navigate their first year on parole.

(Originally Aired: Tuesday Jul 18, 2017)

A woman prepares for the end of times by packing her 180-acre historic farm to the brim, but city officials threaten her plan to survive the impending apocalypse; a man hoards plants after he loses his job as a military medic.

(Originally Aired: Sunday Jan 08, 2017)

Kevin is hiding a hoard of sexual paraphernalia from his family; he must reveal his secrets and clean up his home if he wants to move back in; Elmira’s hoard has become so bad that code enforcement is on the verge of condemning her home.

(Originally Aired: Tuesday Jul 18, 2017)

The annual Red Carpet Ball becomes more of a joust than a dance when Steven shows up with “Glee” actress Lauren Potter as his date, upsetting Megan in the process.

3RD SEASON FINALE

(Originally Aired: Tuesday Jul 18, 2017)

Hannah and Adam continue to clash; Wes and Malia share an intimate moment while on the job; Max is excited to prove his worth by taking the boat off the dock for the first time; the crew is under pressure when an influential charter broker arrives.

(Originally Aired: Tuesday Jul 11, 2017)

When bad weather keeps Sirocco at port, the crew scrambles to keep a charter broker and her friends happy; Wes announces his choice for lead deckhand; word sperads that Wes and Malia exchanged a kiss; in Dubrovnik, Croatia, Adam pulls a prank on Wes.

(Originally Aired: Tuesday Jul 18, 2017)

Minnesotan Rachel is a virgin who ended her relationship with Fabian after finding out he cheated on her; now, Fabian is guilt ridden and desperate to win Rachel back even though she may no longer be the wholesome person he once knew.

SERIES PREMIERE

(Originally Aired: Tuesday Jul 18, 2017)

Social edition; Minnesotan Rachel is a virgin who ended her relationship with Fabian after finding out he cheated on her; now, Fabian is guilt ridden and desperate to win Rachel back even though she may no longer be the wholesome person he once knew.

(Originally Aired: Tuesday Jul 18, 2017)

Cartman inherits a fortune and buys an amusement park.

(Originally Aired: Wednesday Jul 25, 2001)

When the boys are trapped in a cave-in, Cartman discovers treasure.

(Originally Aired: Wednesday Apr 26, 2006)

Daniel works with some intimacy coaches; Daniel calls for an end to disrespecting women.

(Originally Aired: Tuesday Nov 04, 2014)

Daniel profiles the flyest fishermen in the game, learns that condiments plus crazy equals Jesus, and steals a completely original bit from the Internet.

(Originally Aired: Tuesday Jul 11, 2017)

Daniel shakes up summer pool parties, turns a sad little girl’s frown upside down and welcomes a visit from Denim Danger.

(Originally Aired: Tuesday Jul 18, 2017)

Before the sea swallows him, Jim Jefferies tackles climate change and the grave condition of Australia’s — and the world’s — largest natural treasure, the Great Barrier Reef.

(Originally Aired: Tuesday Jul 18, 2017)

Sig’s stress takes a toll; Sean tries to dock in a hurricane; Keith is left dead-stick in massive seas; Jake motivates a defiant hand; Johnathan rolls the dice by Russia.

(Originally Aired: Tuesday Jul 18, 2017)

Sig, Johnathan and Jake attempt to run from a second arctic hurricane, but Keith refuses to heed the warnings; Stress-induced chest pains threaten the remainder of Sig’s season.

(Originally Aired: Tuesday Jul 18, 2017)

1ST SEASON FINALE

(Originally Aired: Tuesday Jul 18, 2017)

In the first round, a mighty midnight snack poses a creative challenge; a beer and a bird in round two; the dessert basket includes premium chocolate bars and Irish coffee.

(Originally Aired: Tuesday Jun 14, 2016)

Raw fish in an unusual form for the first basket; a wonder drink and beautiful peppers for the entree; a hefty salt block in the dessert round.

(Originally Aired: Tuesday Feb 28, 2017)

Chefs must create appetizers in just 20 minutes from clams and a sweet dried fruit; squid ink and a strong-flavored candy in entree; a pie made of beans and an alcoholic drink made with sorbet are mystery basket ingredients for dessert.

35TH SEASON PREMIERE

(Originally Aired: Tuesday Jul 18, 2017)

Callie gets control of her life and starts auditing art classes at a local college; Jesus distances himself from Mariana and Brandon so he can build his tree house with Gabe alone; the Fosters get a new neighbor who has history with Stef.

(Originally Aired: Tuesday Jul 18, 2017)

Kat finds herself the victim of internet trolling when she stands up for gender inequality; Sutton finds her dream job but worries she doesn’t have what it takes to make it work; Jane pursues a story about a congresswoman.

(Originally Aired: Tuesday Jul 18, 2017)

Kat finds herself the victim of internet trolling when she stands up for gender inequality; Sutton finds her dream job but worries she doesn’t have what it takes to make it work; Jane pursues a story about a congresswoman.

(Originally Aired: Tuesday Jul 18, 2017)

Four bladesmiths must forge blades from a giant elevator cable; two finalists return home to recreate the African Ngombe Ngulu, known as the executioner’s sword.

(Originally Aired: Tuesday Jul 18, 2017)

While revealing the gruesome details of the Jack the Ripper murders, Jeff and Amaryllis challenge Ripper myths in the hunt for a link to H.H. Holmes.

(Originally Aired: Tuesday Jul 18, 2017)

Ludacris puts lifelong friendships to the test as they face acid-shooting beasts, face the fear of drowning and must save their cell phones hundreds of feet in the air — all to win $50,000.

(Originally Aired: Tuesday Jul 11, 2017)

Players arrive in Cartagena, Colombia, to compete for $1 million.

30TH SEASON PREMIERE

(Originally Aired: Tuesday Jul 18, 2017)

Couples in on-and-off relationships test their bonds; David Hasselhoff’s daughter wants to redeem the family name.

(Originally Aired: Saturday Jul 08, 2017)

The competition gets even tougher when the artists are tested on technical application with individual tattoos; two veteran artists return.

(Originally Aired: Tuesday Jun 27, 2017)

Some shops lose their composure as they butt heads during a grueling elimination tattoo.

(Originally Aired: Tuesday Jul 11, 2017)

Shops crumble as the tension between teammates intensifies.

(Originally Aired: Tuesday Jul 18, 2017)

The artists create demons that would oversee a specific circle of Dante’s version of Hell.

(Originally Aired: Tuesday Jul 11, 2017)

The artists bring the four seasons to life for a dance choreographed by Travis Wall.

(Originally Aired: Tuesday Jul 18, 2017)

To find the magic Golden Fleece and save Camp Half-Blood, demigod Percy (Logan Lerman) and his friends undertake a dangerous odyssey into the area known to humans as the Bermuda Triangle.

(Originally Aired: Tuesday Jan 01, 2013)

On a blind date, Koothrappali discovers that he can talk to the opposite sex after a few drinks, but his date takes an interest in Sheldon.

(Originally Aired: Monday Nov 12, 2007)

Penny tries to mediate when Sheldon and Leonard disagree on whether to present their joint findings at a physics conference.

(Originally Aired: Monday Mar 17, 2008)

Leonard and Sheldon try to avoid seeing Penny perform after hearing her sing, but the elaborate lie Sheldon tells leads to an unexpected result.

(Originally Aired: Monday Mar 24, 2008)

Leonard and the boys avoid Sheldon when he gets sick, leaving Penny to nurse him back to health.

(Originally Aired: Monday Mar 31, 2008)

Sheldon and Leonard look for a way to derail a 15-year-old physics prodigy’s research.

(Originally Aired: Monday Apr 14, 2008)

Jess and Todd try to buy passage on the pirate’s ship through unconventional means; Owen starts to have feelings for Florence as Steve grapples with his new love.

(Originally Aired: Tuesday Jul 18, 2017)

The quints hit the terrible twos a few months early, and now that they’re walking, the Busby household becomes more chaotic than ever; big sister Blayke matures fast and continues to be a huge help; with bonus scenes.

(Originally Aired: Tuesday Jul 18, 2017)

With the possibility of another surgery looming for Hazel, Adam stresses over her upcoming appointment with a new doctor; when the quints start having poop explosions, Daniel tries potty training with disastrous results.

(Originally Aired: Tuesday Jul 18, 2017)

Jarrel won’t talk custody with Krystal without a DNA test; Aly’s allergic reaction during labor makes her high-risk pregnancy more dangerous; the quads are back and busting out of their house; pregnant wrestler Brooke is terrified of giving birth.

(Originally Aired: Tuesday Jul 18, 2017)

The boys consider how far they will go to help Smurf eliminate Javi; shaken by what has happened, Nicky and J get closer; Baz shares new information with Pope about Catherine’s disappearance.

(Originally Aired: Tuesday Jul 18, 2017)

The boys consider how far they will go to help Smurf eliminate Javi; shaken by what has happened, Nicky and J get closer; Baz shares new information with Pope about Catherine’s disappearance.

(Originally Aired: Tuesday Jul 18, 2017)

The guys pose as unreceptive receptionists, then head to a world famous wax museum; tonight’s losers are taken on a chopper ride from hell.

(Originally Aired: Thursday Feb 11, 2016)

The guys pose employees at a copy center, then conduct bizarre exit interviews for moviegoers; tonight’s big loser becomes the least popular guy at the party.

(Originally Aired: Thursday Feb 18, 2016)

The guys pose as crummy cashiers at a grocery store and then play with laser pointers at a mall; a loser gets soaked with embarrassment.

(Originally Aired: Thursday Mar 31, 2016)

The guys play helpless oddballs in a waiting room, then ask grocery shoppers for cash; tonight’s loser becomes the number one enemy of women everywhere.

(Originally Aired: Thursday Apr 14, 2016)

Adam Conover illustrates all the reasons low-fat diets make people fatter and why counting calories is a waste of time.

(Originally Aired: Tuesday Jul 18, 2017)

How to get comped at a casino; Matthew and Abbi try scratch-off tickets, a day at the races, and Daily Fantasy Sports.

(Originally Aired: Tuesday Jul 18, 2017)

WWE Champion Jinder Mahal brings the Punjabi Prison to Smackdown, hoping the torture chamber will intimidate challenger Randy Orton.

(Originally Aired: Tuesday Jul 18, 2017)

Bob Lee and Julie join his former Marine unit in Germany, and narrowly escape an attack; Memphis takes a job in Washington.

2ND SEASON PREMIERE

(Originally Aired: Tuesday Jul 18, 2017)

Tim Ferriss has an in-depth conversation with rock legend Stewart Copeland about how he formed one of the greatest rock bands of all time – The Police, his effective approaches to self-promotion, and what it takes to reinvent yourself.

(Originally Aired: Tuesday Jul 18, 2017)

War erupts between dirty cops and outlaw bikers as a drug kingpin (Ed Harris) tries to protect his empire.

(Originally Aired: Wednesday Jan 01, 2014)

Rachel returns to the United States to visit the hometowns of the remaining bachelors and tries to learn more about them from the people who know them best.

(Originally Aired: Monday Jul 17, 2017)

Celebrity contestants include Cornelius Smith Jr., Marlee Matlin, Joshua Malina, LaMonica Garrett, Mary McCormack, Elisabeth Rohm, Corbin Bernsen, Matt McGorry, Romi Dias and Catherine Bell.

(Originally Aired: Thursday Jul 13, 2017)

Competitors face three new obstacles called Bouncing Spider, Rail Runner and Ninjago Roll.

(Originally Aired: Monday Jul 17, 2017)

(Originally Aired: Monday Jul 17, 2017)

The first round of callbacks begins, and dancers hope to make the top 10.

(Originally Aired: Monday Jul 17, 2017)

Memorization; one contestant fails to complete a challenge.

(Originally Aired: Monday Jul 17, 2017)

When Eliza visits for Thanksgiving, Alex decides to come out to her; Winn and James consider revealing the truth about the Guardian to Kara; Barry Allen and Cisco Ramon seek Kara’s help with an alien invasion.

(Originally Aired: Monday Nov 28, 2016)

Actor Kearran Giovanni; guest comic Jonathan Mangum.

(Originally Aired: Monday Jul 17, 2017)

Professional skateboarder Tony Hawk; guest comic Heather Anne Campbell.

(Originally Aired: Monday May 29, 2017)

(Originally Aired: Monday Jul 17, 2017)

Updates on items first appraised in Louisville, Ky., in 1998 include a 19th-century folk art jug, a South Carolina slave badge from 1810 and James Dean’s high school yearbook.

(Originally Aired: Monday Jul 15, 2013)

YouTube artist Kutiman brings the work of aspiring musician Princess Shaw to a wide audience.

(Originally Aired: Monday Jul 17, 2017)

Jesse learns of Tulip’s secret relationship; Jesse and Tulip’s past is revisited; the darker side of Jesse is revealed.

(Originally Aired: Monday Jul 17, 2017)

Four friends become tech millionaires after selling their hit iPhone game “Cat Factory.”

SERIES PREMIERE

(Originally Aired: Monday Jul 17, 2017)

Kathryn and Landon argue over the details of Landon and Thomas’ alleged tryst; Chelsea confronts Shep about the night at the Commodore; Whitney reveals why he thought Austen was overreacting; host Andy Cohen previews the new series, “Relationshep.”

(Originally Aired: Monday Jul 17, 2017)

Shannon enlists a feng shui expert to help bring balance to her chaotic life; Lydia launches her magazine; Kelly struggles to make her marriage work; Meghan settles into life as a new mother; Lydia and Shannon meet for the first time.

(Originally Aired: Monday Jul 17, 2017)

Pumps and Kay connive to get back at Jen for pulling a prank on them; as Pumps plots her revenge, Jen and Lee make excuses to get their friend out of the house, leading to a meditation class from hell.

(Originally Aired: Monday Jul 17, 2017)

The gang celebrates at the Gay Pride Parade, where Jen is determined to protest the protesters and Lee commits to logging out of online dating; a pet psychic delves into the dogs’ issues and finds out that Tubby has a higher purpose.

(Originally Aired: Monday Jul 17, 2017)

The New Orleans team seeks bigger competition following its victory over Houston; Kye and the big-tire list head to Texas for Dignight, a single-elimination shootout with the fastest street cars in the country and a prize of over $12,000.

(Originally Aired: Monday Jul 17, 2017)

Kye decides to shake up the big-tire list following a disappointing showing at Dignight; Shane Lester and newcomer David “Bird” Jones, a Houston transplant, are given a shot at the top five.

(Originally Aired: Monday Jul 17, 2017)

To appease a demanding new client, Steve aims to make a big rig rat rod out of a 1979 Peterbilt that he once drove for his father’s steel company.

(Originally Aired: Thursday Apr 27, 2017)

Turning Guy’s favorite diner classic into a sweet diner dessert imposter; repurposing a premade cake into an impressive dessert; cake candles determine the special ingredient and the special event tied to their decadent chocolate dessert.

(Originally Aired: Monday Jul 17, 2017)

The Alamo asks for a bust cake of a famous Texan for the opening of a new exhibition; country music legend Ray Benson’s crew wants to give him a birthday surprise by presenting the cake on stage at South by Southwest in front of a giant crowd.

(Originally Aired: Monday Jul 17, 2017)

Making a hanging longhorn cake for the king and queen of the Texas Honky Tonk scene’s 50th anniversary; Natalie enlists Dave’s brother Gianpaolo to help create an outrageous cake that will make Dave’s birthday amazing.

(Originally Aired: Monday Jul 17, 2017)

Eclectic eats in Los Angeles; In Norfolk, a market and restaurant with Mexican specialties; a farm-to-table food truck in Maui, Hawaii serves up all kinds of global greats.

(Originally Aired: Friday Jul 14, 2017)

In Los Angeles, house-made hot dogs and pork adobo piled onto grilled cheese; in San Francisco, chicken jambalaya; in Minneapolis, tikka masala and naan.

(Originally Aired: Friday Jul 08, 2016)

Simon struggles with coming clean about being a vampire at a family dinner for Yom Kippur; Maia insists on helping him out whether he likes it or not; Clary and Jace go on an unsanctioned mission and test out their newfound rune powers.

(Originally Aired: Monday Jul 17, 2017)

Kirsten and the team uncover an underground gaming club after an engineer ends up dead; the team must juggle saving a falling satellite while Cameron infiltrates the gaming ring.

(Originally Aired: Monday Jul 17, 2017)

Simon struggles with coming clean about being a vampire at a family dinner for Yom Kippur; Maia insists on helping him out whether he likes it or not; Clary and Jace go on an unsanctioned mission and test out their newfound rune powers.

(Originally Aired: Monday Jul 17, 2017)

It’s a picking paradise as Mike and Frank come across a huge 200,000-square-foot factory housing a private collection cultivated by Woody, the building’s dumpster-diving owner.

(Originally Aired: Monday Jul 10, 2017)

In a jam-packed home, Mike and Frank find superhero heaven, coming across a rare Superman comic as well as the very first Spider-Man comic worth $50,000.

(Originally Aired: Monday Jul 17, 2017)

Three Japanese Samurai swords; a Steiff donkey pull toy; a British WWI propaganda poster; thank-you letters sent to an infamous doctor.

(Originally Aired: Monday Jul 17, 2017)

An 18th-century “Tryal of Witches” book; a 20th-century airplane control yoke; a gold-plated banjo; the restored car from the movie, “Wayne’s World.”

(Originally Aired: Monday Jul 17, 2017)

The girls and their families travel to Los Angeles for the “Teen Mom 2” reunion; Jenelle and Barbara’s onstage feud leads to a backstage blowout; after reconciling with Javi, Kailyn is blindsided by allegations.

(Originally Aired: Monday Mar 20, 2017)

Briana reunites with an old friend; Jenelle and David’s relationship is tested; Kailyn and Javi finalize their divorce; Leah begins a new chapter.

8TH SEASON PREMIERE

(Originally Aired: Monday Jul 17, 2017)

Naomi endures an awkward encounter with Ines; Chloe gets heated with Jordan on her birthday; Mia confronts Manley’s mother; Megan and Dylan take on another mouth to feed.

(Originally Aired: Monday Jul 17, 2017)

Host Daphne Oz digs a little deeper into some of the season’s biggest moments, from courtships and weddings to babies.

(Originally Aired: Monday Jul 17, 2017)

Spring break takes Kate and her eight to Vermont for a week on the slopes with skiing lessons and tubing, but a trip to the hospital makes for a wilder week; Kate agrees to ski, but fear takes over.

(Originally Aired: Monday Jul 17, 2017)

Will has an epiphany that could lead him to success, but he needs Alice’s help; a charismatic fugitive from Will’s past burdens him.

(Originally Aired: Monday Jul 17, 2017)

Will has an epiphany that could lead him to success, but he needs Alice’s help; a charismatic fugitive from Will’s past burdens him.

(Originally Aired: Monday Jul 17, 2017)

The drama continues with Joseline backstage; things with KK and Tommie get heated following their social media fiasco; the cast discusses its Jamaican trip and what really happened with Karlie and Joc.

(Originally Aired: Monday Jul 17, 2017)

Jackie tries to broker a truce between Saniy’yah and Hazel; Jen Williams returns to the group; Evelyn and Jen speak to each other for the first time in seven years.

(Originally Aired: Monday Jul 17, 2017)

Maxine drops a bombshell on the air when William’s mother visits the set of “The Lunch Hour”; guest co-host Janet Mock sheds light on Heather’s struggle with Ella’s identity; an obsessed fan confronts Nina.

(Originally Aired: Monday Jul 17, 2017)