Season 18
22 episodes · 2021
Episodes feature heavier fourth-wall breaking, alternative openings (such as Stan's modified morning routine near Groff Community College), and playful call-backs to running gags like "Ricky Spanish". Stan takes the family to a buffet that turns out to be a trap set by CIA scientist Dr. Weitzman, while Roger copes with stress by turning into a flower (which gets bought by a woman cheating on her husband).
1Who Smarted?
Worried that he's not smart enough for Hayley, Jeff undergoes an experimental intelligence enhancement procedure at the CIA. Roger recruits Steve to help him harvest snake venom.
2Russian Doll
Stan becomes infatuated with a doll that the CIA wants to use to spy on the Russians.
3Stan Moves to Chicago
Stan moves to Chicago to become a comic while Steve and Hayley host Roger for a nice night in.
4Shakedown Steve
Steve and Jeff try to bond as brothers while the rest of the family visits an escape room.
5Klaus and Rogu in "Thank God for Loose Rocks": An American Dad! Adventure
When the family goes to a dude ranch, Klaus and Rogu have to work together to survive in the wilderness.
6The Wondercabinet
Steve spins out about his future, but a radio show about new age mysticism gives him a hopeful new understanding of life. Roger struggles to get into the adult film industry.
7Little Bonnie Ramirez
After a series of boring personas, Roger goes to great lengths to prove to Francine he still has "his edge".
8Dancin' A-With My Cells
Stan tries a new, cutting edge parenting approach DNA splicing.
9Mused and Abused
Roger reveals a secret passion to Klaus; Stan and Francine seek revenge on Bazooka Sharks management.
10Henderson
Stan's childhood imaginary friend returns to collect a debt. Klaus has a big date and needs a fishbowl upgrade.
11Hot Scoomp
Hayley searches for guidance and instead finds a community of 'cool butts.'
12Lumberjerk
Stan is forced to partner with Jeff in a lumberjack competition; Steve, Francine and Snot enter a contest to win a vintage pickup truck.
13Stan & Francine & Stan & Francine & Radika
Stan and Francine go back in time to settle an argument.
14Flush After Reading
Francine and Roger get lost in a good book -- or five -- after Francine escapes an embarrassing situation; Stan reluctantly hangs out at the library.
15Comb Over: A Hair Piece
Stan finally decides to do something about his secret baldness and enlists the help of Josay Bosay, Roger's famed hair-stylist-to-the-stars persona.
16Plot Heavy
After Stan sells off the coveted family plot, the family opens their own cemetery in the backyard with the help of basketball Hall-of-Famer Scottie Pippen.
17The Sinister Fate!!
A new friendship causes Hayley to start worrying she might be slowly turning into Francine. Steve and his friends try out for Roger's improv troupe.
18Dr. Sunderson's SunSuckers
Hayley and Jeff help one of Roger's personas run a solar company.
19Family Time
Stan and the family go out to dinner at a buffet restaurant. Roger becomes a flower.
20Cry Baby
When Stan realizes he can't cry, he asks Steve to teach him empathy.
21Crystal Clear
Stan gets in over his head trying to impress Toshi's dad; Klaus and Jeff head to the country for a weekend getaway.
22Steve's Franken Out
When Principal Lewis threatens to cancel science club, Steve takes matters into his own hands in a monstrous way.