Atypical: Season 4

Sam's living situation with Zahid gets off a rocky start, while Elsa struggles with her son's departure. Casey weighs telling Doug about Izzie.

Casey's demanding schedule starts affecting her grades; Sam seeks out some extra credit; a chance run-in revives old suspicions for Elsa.

A change at work leaves Sam scrambling for cash; Izzie fights the schools dress code, leaving Casey conflicted; Paige discovers a knack for management.

Casey and Izzie face fallout from the protest; Paige tries to prove her mettle to Casey through strange tasks; Doug avoids dealing with a painful loss.

As Sam gets ready for an adventure, Elsa thinks about ways to discourage him. Casey gets an up-close look at Izzie's tense home life.

Sam seeks a worthy caretaker for Edison. Casey tries to be supportive of Izzie, but her plan backfires. Zahid shares tough news with Sam.

Elsa makes a meaningful reconnection; Paige plans a romantic night with Sam; pressure mounts on Casey ahead of a track meet.

Casey reaches a crossroad, questioning her choices; Casey helps Sam get over his own hurdle.

Casey and Sam fume about their parents meddling in their lives; Zahid hosts a send-off party.

Sam deals with a disappointment; Casey clashes with Elsa over college plans; a dream annoys Doug.