Atypical

Sam decides to update his look. Casey learns a family secret. Feeling like her family no longer needs her, Elsa seeks attention elsewhere.

When a classmate shows interest in him, Sam makes a list of pros and cons to see whether she's girlfriend material. Casey gets a prestigious offer.

Sam becomes rattled after Paige invades his bedroom. Casey visits Clayton Prep and gets a taste of what life away from her brother would be like.

Paige proposes having an autism-friendly school dance to the PTA. Sam makes preparations for losing his virginity. Doug and Julia help each other.

When Paige makes a confession to Sam, he creates a checklist to figure how he feels. Things with Nick suddenly get too real for Elsa.

After a disastrous dinner with Paige's family, Sam makes amends at the school dance. Casey's fury at her mom affects her relationship with Evan.