Jo Frost revisits some of the show’s most-memorable families to see how they are doing since she left.

(Originally Aired: Friday Mar 12, 2010)

Hidden cameras catch people’s reactions to a rude restaurant customer, a coffee-shop manager questioning a mixed-race family, a person posing as a panhandler and a customer pretending to slip and fall in a store.

(Originally Aired: Friday Jan 28, 2011)

The triumphs and terrors of four teenagers who have become homeless; one teen talks about his time spent living in a tree, and another discusses her life since her mother abandoned her in a parking lot.

(Originally Aired: Friday Jan 28, 2011)

Players take part in challenges in hope of winning $1 million.

(Originally Aired: Wednesday Jan 26, 2011)

The investigation into the deaths of a couple at their Michigan home leads detectives to believe a family member is to blame.

(Originally Aired: Friday Jan 28, 2011)

Chef Ramsay heads to West Babylon, N.Y., to help two inexperienced restaurant owners with their struggling establishment; after discovering a lack in communication, Ramsay stages an emotional intervention with the staff.

(Originally Aired: Friday Jan 28, 2011)

Walter worries about Peter after observing Massive Dynamic’s assembly of the doomsday device; an intense investigation begins after a dead body is discovered.

(Originally Aired: Friday Jan 28, 2011)

The miners need to find $10,000 worth of gold or their families will be sent home; Dorsey struggles with the wave table.

(Originally Aired: Friday Jan 21, 2011)

Doug transports explosives to the island of St Lawrence; Ben hits a large bird in mid-flight.

(Originally Aired: Friday Jan 28, 2011)

Gold recovery expert tries to help; Todd discovers a flaw in the equipment.

(Originally Aired: Friday Jan 28, 2011)

(Originally Aired: Friday Jan 28, 2011)

Hank’s fender-bender puts him in driving school.

(Originally Aired: Sunday Feb 22, 1998)

The Hills and the Kahns find trouble on a Mexican vacation.

(Originally Aired: Sunday Feb 15, 1998)

The Smith family moves into a hotel after Roger releases lethal gas into their home; Francine gets a job in construction.

(Originally Aired: Sunday Jan 16, 2011)

When Stan reveals that he has never actually killed anyone, Roger and the guys become determined to help him land his first target.

(Originally Aired: Sunday Nov 18, 2007)

Originally hired to track down his bail-jumping ex-wife (Jennifer Aniston), a bounty hunter (Gerard Butler) soon finds himself on the run for his life.

(Originally Aired: Monday Nov 30, 2009)

Batiatus conjures up a devious plan and enlists Lucretia, Gaia and a clutch of gladiator recruits to see it through; Oenomaus longs to reclaim the top gladiator rank, but new challenges cross his path.

(Originally Aired: Friday Jan 28, 2011)

Channing Tatum and Jamie Bell star in the historical drama.

Ricky reads little-known facts to Karl; Karl recounts medical news; entries from Karl’s diary including his observations on the Congo, mishaps when ordering takeout and his visit to a gadget shop.

(Originally Aired: Friday Jan 28, 2011)

Kenny tries to make extra money by pitching himself as spokesman for a luxury car dealership; Kenny and his driver make an appearance at the middle school dance.

(Originally Aired: Sunday Feb 22, 2009)

Commentator Will Cain; former Canadian prime minister Kim Campbell; Rep. Jack Kingston (R-Ga.); actor/comic D.L. Hughley; former Republican National Committee chairman Michael Steele.

(Originally Aired: Friday Jan 28, 2011)