Sky History HD Friday

Rick sets his sights on a musket rifle from the 1800s, while a seller tries to flex with a signed autobiography by actor Arnold Schwarzenegger

Operation Frankton, of December 1942, which involved Royal Marines placing limpet mines on German ships in Bordeaux Harbour

The role that planners, designers, architects and builders played in shaping the Second World War, thus helping Adolf Hitler retain power, starting with Albert Speer

Brandi rescues a loose dog from oncoming traffic in Riverside, California, Darrell's unit confirms his Magic Bullet Theory, and Kenny's locker contains a shiny score

Darrell gives and takes when the buyers descend upon Arcadia in California. Ivy's prospects soar, while Rene and Casey uncover a his-and-hers locker.

Mary learns that not even the 'cupped hands' of San Bernardino can save her fortune, Ivy manages to scrape together a bit of coin, while Kenny finds all the magic

Emily receives a newlywed-themed surprise from the girls, Rene reels in a big locker, and Darrell tests his bicycle knowledge, and wins

Four bladesmiths put it all on the line when they are challenged with creating their most dazzling Damascus knife. The smith who impresses most moves straight on to the final round