Anna introduces her pilot program to invite select groups of humans to stay on each of the 29 space ships, Ryan must deal with the fact that Valerie's pregnancy is wildly accelerated. Tyler learns a secret about his mom and one of the team makes a sa... (more)crifice to save Ryan.

Charles Mesure, Christopher Shyer, David Richmond-Peck, Lexa Doig, Mark Hildreth, Nicholas Lea