Phil and Carol reconcile their differences.

Phil and Carol leave on their road trip across the United States, but Carol quickly regrets her decision to leave.

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.

A medical condition and a marriage proposal leave the group in turmoil.

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 gang look for closure following a tragic event. Melissa and Todd attempt to deal with the consequences 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 considers doing a favor for Tandy and Carol. Gail's drinking becomes an issue.

As Tandy gets used to having his brother back on Earth, Todd begins feeling left out; Mike discovers more about Erica than the group has ever known.

Phil and Mike grow closer than ever and the whole Malibu group gets a big friggin’ surprise.

Tandy wakes up to a shocking discovery that is positive for everyone in the group, but it throws Todd into a spiral. Meanwhile, Todd and Erica share an emotional roller coaster.

A thermal heat detector reveals a potential sign of life outside of the Zihuatanejo village, but Tandy doesn't want the group to split up to go investigate. Meanwhile, Todd and Erica have trouble seeing eye-to-eye.

The gang ventures out in search of what they think could be a new sign of life, but are surprised at what they actually find. Meanwhile, Todd makes a few morbid discoveries of his own back at the mansion.

The gang decides to leave the mansion in Zihuatenajo and find a new place to live, but Tandy has second thoughts.