"Door Number Three" amounted to a lot of standing around and waiting, but at least the truth about Lexie has become a little more clear and the Mason family is finally reunited. It's impossible to shake the feeling that something huge is just around the corner; hopefully, it'll turn out to be something awesome.
A throwback history lesson with Tom and a not-entirely-decisive-but-still-pretty-awesome victory for the humans made "Exodus" an exciting and engaging addition to the series and an appropriate episode to air during the holiday weekend.
Written and produced by Robert Rodat and Steven Spielberg, this show takes place after an alien race has wiped out the majority of the human population. A group of soldiers band together to try to stand up against the alien force.