A double-barreled, napalm spewing, flamethrower cannon; rebuilding a German K98 Mauser rifle.

(Originally Aired: Wednesday Dec 21, 2011)

The crew restores a WWI Maxim machine gun and create an interrupter system that allows the gun to fire between the propeller blades of a plane.

(Originally Aired: Wednesday Dec 28, 2011)

Tim risks moving his still site in the hope of doubling his profits; agent Jesse prepares for a big raid.

(Originally Aired: Wednesday Dec 28, 2011)

Analyzing whether aliens supplied the missing link that accelerated human evolution, advancing civilization.

(Originally Aired: Thursday Nov 04, 2010)

Alien technology from the distant past may have given Hitler additional power.

(Originally Aired: Thursday Nov 25, 2010)

The team travels to Rome to investigate the mysterious death of Pope John Paul the First.

(Originally Aired: Wednesday Dec 28, 2011)

Cromwell schemes to secure the Reformation by finding Henry a Protestant wife; Henry’s wounded leg turns life-threatening.

(Originally Aired: Sunday May 10, 2009)

France and Spain, with backing from Rome, align against England; Henry agrees to a marriage with Anne of Cleves.

(Originally Aired: Sunday May 17, 2009)

Stephen, furious about the affair between Cal and Anne, tells the press in the hope of destroying Cal’s reputation.

(Originally Aired: Sunday Jun 08, 2003)

Tim and the boys clean the house.

(Originally Aired: Tuesday Dec 10, 1991)

Tim’s uncouth friend gets on Jill’s nerves.

(Originally Aired: Tuesday Jan 14, 1992)

At open-school night, Michael reads aloud his story about family members who always yell at one another.

(Originally Aired: Monday Sep 24, 2001)

Ray brings home an adult board game in an attempt to spice things up with Debra.

(Originally Aired: Monday Oct 01, 2001)

The ladies throw a dinner party; Joy dates a man of indeterminate age; Victoria’s goes out with a hand model; Melanie dates a guy who looks like Winnie the Pooh; Roy’s mom hates Elka.

(Originally Aired: Wednesday Dec 28, 2011)

Stuart’s work life is turned upside down when Phil sleeps with his dental assistant; Holly lends Eden some outfits.

(Originally Aired: Wednesday Dec 28, 2011)

Internet and television clips.

(Originally Aired: Wednesday Dec 28, 2011)

The comic’s first solo concert since winning television’s ”Last Comic Standing” competition.