Season 15 · Episode 18 · First aired 30 April 2017
The Peter Principal
Episode 18 of Family Guy season 15 (S15E18), the 287th Family Guy episode overall. Written by Steve Callaghan and directed by Greg Colton. First broadcast on 30 April 2017.
Story
Peter is given a temporary spell as principal of the local high school. Meg, a pupil there, treats her father's new authority as a chance to settle scores with the bullies who target her. The second storyline sends Brian and Stewie into business together. They open a bed and breakfast, and the guests it attracts are largely prostitutes.
Voices
| Voice | Characters |
|---|---|
| Seth MacFarlane | Peter Griffin, Brian Griffin, Stewie Griffin |
| Alex Borstein | Lois Griffin |
| Seth Green | Chris Griffin |
| Mila Kunis | Meg Griffin, Prostitute |
| Max Burkholder | Kid |
| Gary Cole | Principal Shepherd |
| Chris Cox | Door Guard |
| Colin Ford | Kid |
| Jermaine Fowler | Kid |
Principal voice credits as recorded by IMDb, which lists up to ten credits per episode, so recurring characters can be missing here. Guest voices below come from Wikipedia and TVmaze.
Guest voices
- Gary Cole as Principal Shepherd
- Emily Osment as Ruth
- Christina Milian as Esther
- Martha MacIsaac as Patty
- Colin Ford as Kid
- Wendy Schaal as Secretary
- Anders Holm as Superintendent
- Max Burkholder as Kid
- Ralph Garman as Criminal
- Chris Cox as Door Guard
- Shawn Michael Howard as New Orleans Band
- Jermaine Fowler as Kid
Season 15: episode 18 of 20
- E1The Boys in the Band
- E2Bookie of the Year
- E3American Gigg-olo
- E4Inside Family Guy
- E5Chris Has Got a Date, Date, Date, Date, Date
- E6Hot Shots
- E7High School English
- E8Carter and Tricia
- E9How the Griffin Stole Christmas
- E10Passenger Fatty-Seven
- E11Gronkowsbees
- E12Peter's Def Jam
- E13The Finer Strings
- E14The Dating Game
- E15Cop and a Half-wit
- E16Saturated Fat Guy
- E17Peter's Lost Youth
- E18The Peter PrincipalYou are here
- E19Dearly Deported
- E20A House Full of Peters
SourceFacts from Wikipedia: Family Guy season 15 (CC BY-SA 4.0). Spotted an error? See corrections.
Provenance
Facts only- Data refreshed
- 6 September 2026
- Verification
- Checked against Wikidata and IMDb: title, date, numbering and credits agree
- Licence
- Facts are not copyrightable. Source text on Wikipedia is CC BY-SA 4.0; Wikidata is CC0; IMDb data is used for verification under its non-commercial terms.
- Note
- The story summary and notes were written for this site from the sources listed, by Claude in Claude Code on 2026-09-08, awaiting editorial review. Facts only; no dialogue is reproduced. Voice credits: Information courtesy of IMDb (https://www.imdb.com). Used with permission. Guest cast data from TVmaze (https://www.tvmaze.com), CC BY-SA.