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Season guide

American Dad!: Season 18

22 episodes Premiered Apr 19, 2021 Updated Oct 4, 2026
Previously on American Dad!

Season 18 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Picks up essential narrative continuity directly following the events of American Dad! Season 17.
  • ⚡ Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
  • ⚡ Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
  • ⚡ Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
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Season 18 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 18 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 18: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

18%
82%
Mytharc (4): Crucial lore & season climaxes
Core (18): Character development & subplots
Side Quest (0): Standalone / filler
S18·E1 Mytharc

Who Smarted?

Apr 19, 2021 · 22 min

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.

S18·E2 Core

Russian Doll

Apr 26, 2021 · 22 min

Stan becomes infatuated with a doll that the CIA wants to use to spy on the Russians.

S18·E3 Core

Stan Moves to Chicago

May 3, 2021 · 22 min

Stan moves to Chicago to become a comic while Steve and Hayley host Roger for a nice night in.

S18·E4 Core

Shakedown Steve

May 10, 2021 · 22 min

Steve and Jeff try to bond as brothers while the rest of the family visits an escape room.

S18·E6 Core

The Wondercabinet

May 24, 2021 · 22 min

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.

S18·E7 Core

Little Bonnie Ramirez

May 31, 2021 · 22 min

After a series of boring personas, Roger goes to great lengths to prove to Francine he still has "his edge".

S18·E8 Core

Dancin' A-With My Cells

Jun 7, 2021 · 22 min

Stan tries a new, cutting edge parenting approach DNA splicing.

S18·E9 Mytharc

Mused and Abused

Jun 14, 2021 · 22 min

Roger reveals a secret passion to Klaus; Stan and Francine seek revenge on Bazooka Sharks management.

S18·E10 Core

Henderson

Jun 21, 2021 · 22 min

Stan's childhood imaginary friend returns to collect a debt. Klaus has a big date and needs a fishbowl upgrade.

S18·E11 Core

Hot Scoomp

Jun 28, 2021 · 22 min

Hayley searches for guidance and instead finds a community of 'cool butts.'

S18·E12 Core

Lumberjerk

Jul 5, 2021 · 22 min

Stan is forced to partner with Jeff in a lumberjack competition; Steve, Francine and Snot enter a contest to win a vintage pickup truck.

S18·E14 Core

Flush After Reading

Jul 19, 2021 · 22 min

Francine and Roger get lost in a good book -- or five -- after Francine escapes an embarrassing situation; Stan reluctantly hangs out at the library.

S18·E15 Core

Comb Over: A Hair Piece

Jul 26, 2021 · 22 min

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.

S18·E16 Core

Plot Heavy

Aug 2, 2021 · 22 min

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.

S18·E17 Core

The Sinister Fate!!

Aug 9, 2021 · 22 min

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.

S18·E18 Core

Dr. Sunderson's SunSuckers

Aug 16, 2021 · 22 min

Hayley and Jeff help one of Roger's personas run a solar company.

S18·E19 Core

Family Time

Aug 23, 2021 · 22 min

Stan and the family go out to dinner at a buffet restaurant. Roger becomes a flower.

S18·E20 Core

Cry Baby

Aug 30, 2021 · 22 min

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

S18·E21 Mytharc

Crystal Clear

Sep 6, 2021 · 22 min

Stan gets in over his head trying to impress Toshi's dad; Klaus and Jeff head to the country for a weekend getaway.

S18·E22 Mytharc

Steve's Franken Out

Oct 25, 2021 · 22 min

When Principal Lewis threatens to cancel science club, Steve takes matters into his own hands in a monstrous way.

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