Casey and Evan take to the open road for a tense reunion. Back home, Sam and Zahid get ready to party, and Elsa bids farewell to the past.
While Sam and Casey face friendship dilemmas, Elsa uncovers a charming surprise, and Doug makes an unexpected decision.
Paige invites Sam to redefine their romance, Casey struggles with complicated feelings, and Elsa attempts to find a new normal with Doug.
Sam makes a bold move amid the buzz of orientation day. Casey crosses paths with Nate. Elsa and Doug unpack the hazards of half-truths.
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.
Ignoring Casey’s wishes, Elsa throws her a big birthday party, while Sam insists on following a decade-old birthday ritual. The bartender haunts Doug.
Sam’s frustration at being unable to find a therapist and Casey’s anxiety about going to a new school spark a blowup between the two.
Casey feels less than welcome at Clayton. Sam asks Paige to spell out the rules of their “casual relationship,” while Doug sets boundaries with Elsa.
Zahid teaches Sam to lie, while Elsa practices being honest. Evan helps Casey get over an embarrassment. A doctor visit forces Julia out of denial.
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.
When Sam learns his crush is already taken, dad Doug helps him woo her. A lost credit card sends Elsa back to the bar. Casey hears rumors about Evan.