Phil and Carol leave Tucson behind and strike out on their own in a road trip across the United States.
Phil searches desperately for Carol after they're separated without phones or walkie-talkies.
Carol takes a page out of Phil's book when she tells a lie from which it is difficult for her to recover.
Phil/Tandy finds redemption when he saves the day.
The population may be small, but it's still big enough for big, dark secrets.
Tandy and Todd attempt to solve an end-of-the-world power problem.
Re-population becomes a hot topic with the Malibu survivors.
Phil 2 finds himself on Tandy's level when he causes problems with the group.
Along with most human life, the virus wiped out normal traditions and holidays. As Christmas approaches, Carol spearheads a "Secret Santa" gift exchange to spread some festive cheer.
The pressure is on as Gail tries to fix a bad situation, and Melissa and Todd try to recover from their relationship troubles.
Mike Miller's space capsule careening through the sky toward Earth, finally putting him on the same planet as his big brother, Phil. Mike thinks he is the last man on earth, but who knows what or whom he might encounter.
The Malibu gang seeks closure after Phil 2's demise, while Todd and Melissa maneuver through the aftermath of her surprise proposal.
Carol is back on the campaign for repopulation with Phil, and Todd's juggling act finally puts him over the edge.
Tandy tries to host a party for the group and Todd's luck takes a turn for the better.
With little else to do, Tandy starts a prank war within the group. Meanwhile Todd establishes his dominance.
Todd has a lot to think about when Tandy and Carol ask a major favor of him. Meanwhile, Gail's wine consumption has become an issue.
Todd feels left out, as Tandy warms to having his big brother back on Earth. Meanwhile, Mike learns more about Erica than the group has ever uncovered about her.
Phil and Mike continue to grow closer whilst Carol, Todd and the rest of the Malibu group receive a massive surprise.