Bomber aircraft documentary

[force19]

Hi all, When I was younger (about 14 years ago) i used to have a documentary about bomber aircraft recorded on video. I feel a little nostalgic right now so I've been trying to find the documentary online but haven't had any luck. I was wondering if anyone here could help me identify it? it features various ww2 bomber aircraft from the German and British side although at the start of the documentary it talks about the bombing of London by the Gotha bombers near the end of world war 1. I think it may have been shown on the discovery channel but im not too sure. any help finding it would be appreciated.