Season 18

2021 · 22 episodes · 8h 4m in all · 6.0/10

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).

1. Who Smarted?
19 Apr 2021 · 22 min · 5.6/10
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.
2. Russian Doll
26 Apr 2021 · 22 min · 5.6/10
Stan becomes infatuated with a doll that the CIA wants to use to spy on the Russians.
3. Stan Moves to Chicago
3 May 2021 · 22 min · 5.7/10
Stan moves to Chicago to become a comic while Steve and Hayley host Roger for a nice night in.
4. Shakedown Steve
10 May 2021 · 22 min · 5.8/10
Steve and Jeff try to bond as brothers while the rest of the family visits an escape room.
5. Klaus and Rogu in "Thank God for Loose Rocks": An American Dad! Adventure
17 May 2021 · 22 min · 5.6/10
When the family goes to a dude ranch, Klaus and Rogu have to work together to survive in the wilderness.
6. The Wondercabinet
24 May 2021 · 22 min · 5.9/10
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.
7. Little Bonnie Ramirez
31 May 2021 · 22 min · 6.1/10
After a series of boring personas, Roger goes to great lengths to prove to Francine he still has "his edge".
8. Dancin' A-With My Cells
7 Jun 2021 · 22 min · 6.7/10
Stan tries a new, cutting edge parenting approach DNA splicing.
9. Mused and Abused
14 Jun 2021 · 22 min · 5.8/10
Roger reveals a secret passion to Klaus; Stan and Francine seek revenge on Bazooka Sharks management.
10. Henderson
21 Jun 2021 · 22 min · 6.8/10
Stan's childhood imaginary friend returns to collect a debt. Klaus has a big date and needs a fishbowl upgrade.
11. Hot Scoomp
28 Jun 2021 · 22 min · 6.0/10
Hayley searches for guidance and instead finds a community of 'cool butts.'
12. Lumberjerk
5 Jul 2021 · 22 min · 6.1/10
Stan is forced to partner with Jeff in a lumberjack competition; Steve, Francine and Snot enter a contest to win a vintage pickup truck.
13. Stan & Francine & Stan & Francine & Radika
12 Jul 2021 · 22 min · 6.1/10
Stan and Francine go back in time to settle an argument.
14. Flush After Reading
19 Jul 2021 · 22 min · 6.9/10
Francine and Roger get lost in a good book -- or five -- after Francine escapes an embarrassing situation; Stan reluctantly hangs out at the library.
15. Comb Over: A Hair Piece
26 Jul 2021 · 22 min · 5.4/10
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.
16. Plot Heavy
2 Aug 2021 · 22 min · 6.7/10
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.
17. The Sinister Fate!!
9 Aug 2021 · 22 min · 6.1/10
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.
18. Dr. Sunderson's SunSuckers
16 Aug 2021 · 22 min · 6.8/10
Hayley and Jeff help one of Roger's personas run a solar company.
19. Family Time
23 Aug 2021 · 22 min · 6.2/10
Stan and the family go out to dinner at a buffet restaurant. Roger becomes a flower.
20. Cry Baby
30 Aug 2021 · 22 min · 5.7/10
When Stan realizes he can't cry, he asks Steve to teach him empathy.
21. Crystal Clear
6 Sept 2021 · 22 min · 5.4/10
Stan gets in over his head trying to impress Toshi's dad; Klaus and Jeff head to the country for a weekend getaway.
22. Steve's Franken Out
25 Oct 2021 · 22 min · 6.0/10
When Principal Lewis threatens to cancel science club, Steve takes matters into his own hands in a monstrous way.