The Sound of Music
Watch the full episode of the must-see event online now.
Get to know the competitors.More »
Reunited and seemingly safe, the contestants begin to put the pieces together - and encounter yet another mind-blowing surprise.More »
The trekkers face a new unknown threat, while a rescue at the research station looks certain.Watch »
Look back at the best of Siberia.View »
Don't miss favorite GIFs, quotes, crackpot theories and more.More »