Phil 2 finds himself on Tandy’s level when he causes problems with the group.

The gang look for closure following a tragic event. Melissa and Todd attempt to deal with the consequences of her surprise proposal.

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.

Carol will stop at nothing to get the perfect family photo. In the meantime, Melissa has her own mission, Lewis looks for a new hobby and Gail ends up in a scary situation.

Todd and Tandy dig deep into Melissa's pre-virus past, as they search for answers about her illness, and Carol adopts a new outlook on life.

The long term consequences of surviving an apocalypse start to have a major impact on the group, whose daily life is upended.

Tandy and Todd introduce newcomer Karl to the rest of the gang. Meanwhile, the group searches for Jasper, who has gone missing.

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.