17 Tymor
117 Pennod
Secret History - Season 15 Episode 3
Secret History has exclusive access behind the scenes of the momentous expedition that found HMS Erebus: the Royal Navy ship that disappeared in 1845 while searching for the Northwest Passage
- Blwyddyn: 2017
- Gwlad: United Kingdom
- Genre: Documentary
- Stiwdio: Channel 4
- Allweddair:
- Cyfarwyddwr: Nick London
- Cast: