After Walden joins a support group for adoptive fathers, he enjoys having some time away from Alan.
Walden may lose Louis when the social worker finds out that he and Alan aren’t actually a couple, but Alan isn’t ready to give up without a fight.
Walden discovers how challenging it is to be intimate with women when his foster son, Louis, is in the house. Also, Herb asks Alan if he can go on a date with Lyndsey.
Alan and Walden attempt to convince Louis that Santa Claus is real.
Walden and Alan become friends with three moms, but things become complicated after Walden ends up falling for one of them.
Alan begins to disobey Walden’s rules so that he will look cool in front of Louis.
Walden looks after a foster child named Louis, but they don’t bond the way he hoped they would.
A birth mother considers having Walden and Alan adopt her baby.
Lyndsey makes her return from rehab. Alan and Walden try and keep up the act that they are a loving couple when the social worker comes to visit.
Walden asks Alan to sign a pre-nup, giving him second thoughts about the marriage.
Walden decides to change his life after a health scare on Halloween, but he wants Alan’s help to do it.
Alan confesses his true identity to Larry and has to face the consequences.
Alan’s girlfriend, Gretchen, insists he confess his true identity to Larry. Meanwhile, Walden goes on a road trip with Jenny and Barry to see his first car.
Alan stumbles upon an opportunity to make money. Meanwhile, Walden has to address his co-dependency issues.
Walden reconnects with Kate and is sure she’s “The One” – that is, until he meets Vivian and becomes convinced she’s “The One.” Meanwhile, Alan and Gretchen grow closer.