Sky History +1 Saturday

A look at the unique history of the Tower of London, a notorious prison on the River Thames in London

How, within its first 40 years of operation, the Soviet Gulag system imprisoned at least 18 million people and killed more than one and a half million

In a very special episode to mark and celebrate the 200th competition, fans take the reigns and choose the challenges, weapons and tests

The judges let the bladesmiths choose their challenge. Next, they challenge the two surviving smiths to recreate the 18th-century Tibetan Sword

Corey becomes enchanted with some magical memorabilia. A rare first edition copy of Anne of Green Gables is offered, while a vintage Harley t-shirt makes Corey go hog wild

Corey has an appetite for a deal when a Guns N' Roses collector box rocks into the shop. Then, Chum gets flap happy over a pair of signed lawn flamingo prototypes

Rick and Chum encounter a rare pair of Pumas from 1968. Chum is then blown away by a fan from the 1940s. Later, Rick reads into a collection of letters from historical figures