Billy launches a full assault to save a Marine veteran's home from a bat invasion. Then things get sticky when Billy takes a call for two stubborn and aggressive porcupines.

Going Medieval: The Pawn Stars chase after a rare Saxon helmet believed to date back to 1100 AD. One of the very first X-Men comic books also crosses their path. (S2, ep 19)

Really Gotta Go Kart: Yankee's powers of restoration are put to the test when an old go-kart is brought in. Johnnie finds some important notes written by Dwight Eisenhower. (S3, ep 18)

This Little Piggy: Jimmie scrutinises a vintage coin-operated children's ride and a Bulgarian version of Russia's AK rifle. Are either worthy of space in his store? (S2, ep 18)

Horseplay: The guys are offered Civil War projectiles and an unusual toy horse. Plus, a client walks in with a rare but pricey pistol sword. Can Jimmie slash his price? (S3, ep 17)

Mail To The Chief: The team are wowed by a letter penned by a young Bill Clinton. Plus, Jimmie sets his sights on a 1895 Colt Navy revolver with a rare and valuable defect. (S2, ep 17)

Mumbo Gumbo: The team get fired up when a client leads them to the infamous cannon used in the 1873 Colfax Massacre. Jimmie is awestruck by a Native American bison jacket. (S3, ep 16)

All Shook Up: Jimmie and Tammie cast their eyes over a scarf worn by Elvis during one of his concerts before checking out an original 1950s US Army jeep. (S2, ep 16)

Paintball Cajun Style: Jimmie and the team come across a cheque signed by Judy Garland, a rare World Series programme from 1932 and what could be a 1903 Remington rifle. (S3, ep 15)

Cash Kart: Jimmie and the team admire a huge mounted lion, a rare double-barrel knife pistol and a super-fast go-kart. But do these items spell profits? (S2, ep 15)