Stan sets out to stop a tree that he considers his father from being cut down. Steve realizes he's stopped growing and considers surgery.

Francine reconnects with her birth family when she starts craving the experience of having a big family. Meanwhile, Stan becomes a Picker based on his obsession with American Pickers.

Stan has to take over Roger’s different personas after a tumor takes him out of commission. Principal Lewis pressures Steve and the school choir to do whatever it takes to win.

Steve goes undercover as a school hall monitor; Roger and Stan go catatonic after witnessing a grisly escalator accident.

Roger helps Francine with her terrible cooking by bringing her to a remote Patagonian island. Stan gets a nail in his head and can’t speak.

American Dad becomes the 25th scripted primetime show in the History of Television to reach 300 episodes and Roger's past comes back to haunt him.

When Stan realizes he can't cry, he asks Steve to teach him empathy.

Stan takes Steve to his favorite barbershop to hang with his crew; Jeff starts journaling to help with his bad memory.

When Roger has his famous Christmas sex party stolen from him the results are... monstrous. Stan creates a magazine for men.

After a freak accident, Stan and Roger end up stuck together in the worst possible way. Klaus contends with an impostor.

Being the only one of his friends to not like a new fast-food restaurant drives Steve to madness. Stan and Francine go on a quest to return mistakenly delivered mail.

When Rogu comes down with a mysterious illness, the Smiths struggle to find a cure.