Noah agrees to be the donor to his sister's girlfriend, but his husband wants a baby of their own.

Eliza's pregnant and everyone's on the verge of a nervous breakdown.

The gang goes on a psychedelic mushroom trip at Arthur's Desert Disco Oasis; tensions erupt when Margot decides to go off her meds; Noah and Dan's situationship with Adam turns romantic; Dan and Eliza bond over their shared realization.

The sudden death of Noah and Margot's estranged father brings the gang back to Texas, where Margot starts experiencing grief-induced psychosis; Noah discovers their mother Carolyn has been hiding a secret.

Noah spends Thanksgiving helping his mother Carolyn clean out her hoarder house.

After Carolyn moves in with them, Noah and Dan try to hide their relationship with Adam; Dan's parents come over on Christmas and pressure them to fast-track the adoption process; Margot reveals she's gone off her meds.