5SELECT Saturday
BT TV
46
Freesat
133
Freeview
46
Sky
153
TalkTalk
46
Virgin
138
YouView
46
1:05 AM
Nazi Megastructures
Ruins left by Hitler's infamous Blitzkrieg tactics
Ruins across Europe that show evidence of Hitler's infamous Blitzkrieg tactics, which represented a revolutionary new approach to warfare and brought Germany a string of victories
![](https://tv.assets.pressassociation.io/4641e288-b452-517e-aa8b-6cef9f546592.jpg)
2:05 AM
Nazi Megastructures
Fortifications in the Channel Islands
Exploring fortifications built during the German occupation of the Channel Islands, intended to transform the group of islands into a single interconnected fortress
![](https://tv.assets.pressassociation.io/821824e4-a187-56be-b48a-afc64345c90e.jpg)
3:05 AM
Britain in Colour
Rare archival film and home movies featuring Winston Churchill
Rare archival film and home movies featuring Winston Churchill, including moments of drama alongside playful scenes with Charlie Chaplin
![](https://tv.assets.pressassociation.io/d6bd8bcd-2410-50b0-99ba-5da92855cac3.jpg)