How to kill a U-Boat? The threat of the illusive and nearly undetectable submarines had been on the mind of every Allied naval planner since the Great War. As the Kriegsmarine once more unleashed its wolfpacks to the high seas, it became a race against time to find a way to stop the deadly stalkers from beneath the surface.

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Hosted by: Indy Neidell
Director: Astrid Deinhard
Producers: Astrid Deinhard and Spartacus Olsson
Executive Producers: Astrid Deinhard, Indy Neidell, Spartacus Olsson
Creative Producer: Marek Kamiński
Community Management: Ian Sowden
Written by: Indy Neidell
Research by: Indy Neidell
Edited by: Karolina Dołęga
Artwork and color grading by: Mikołaj Uchman
Sound design by: Marek Kamiński
Map animations: Eastory (https://www.youtube.com/c/eastory)

Source literature list: http://bit.ly/WW2sources

Archive footage: Screenocean/Reuters - https://www.screenocean.com

Image sources:
Imperial War Museums: CS 343, HU 91923, A 14077, C 5816, 25407, A 9535, A 22615, IWM A 31092, IWM FRE 1131, COI 426, ADM 168,AMY 14
National Archives NARA
Narodowe Archiwum Cyfrowe
Bundesarchiv
Photograph of the deck of the Empire MacKay in the north Atlantic Courtesy of the son of the author I. M. Price

Soundtracks from Epidemic Sound:
- Break Free - Fabien Tell
- Its Not a Game - Philip Ayers.
- Last Point of Safe Return - Fabien Tell
- March Of The Brave 10 - Rannar Sillard
- Other Sides of Glory - Fabien Tell
- Rememberance - Fabien Tell
- Weapon of Choice - Fabien Tell

A TimeGhost chronological documentary produced by OnLion Entertainment GmbH.