A sleeping weapons system is accidentally awakened by Fargo and Spencer. Henry tries to avert the pending catastrophe with the help of a retired, nonsensical scientist.

A demon kidnaps Ben and Lisa to get to Dean. Sam and Dean are forced to join with an unlikely ally to free them.

The Galactica is launching a rescue mission to retrieve Hera Agathon from the “colony”, a heavily armed and defended Cylon base located near a black hole. They manage to rescue…