---
title: "A House Full of Peters (S15E20) | familyguy.co.uk"
canonical: "https://familyguy.co.uk/episodes/s15e20-a-house-full-of-peters/"
updatedDate: 2026-09-06
author: Alex Moss
description: "A House Full of Peters: Family Guy season 15 episode 20 (S15E20), first aired 21 May 2017. Writer and director credits."
---

# A House Full of Peters

Episode 20 of Family Guy season 15 (S15E20), the 289th Family Guy episode overall. Written by Chris Sheridan and directed by Joseph Lee. First broadcast on 21 May 2017.

## Story

Lois learns that Peter donated sperm when he was a young man. The consequence arrives at the Griffin house in numbers, as a large group of the children conceived that way turns up unannounced. Peter has to reckon with a family he never knew he had. One of the arrivals goes further than the rest. He sets out to take Peter's place as the husband of Lois.

## Facts

| Fact | Detail |
| --- | --- |
| Season | 15 |
| Episode | 20 of 20 |
| Overall | No. 289 |
| Code | S15E20 |
| First aired | 21 May 2017 |
| Directed by | Joseph Lee |
| Written by | Chris Sheridan |
| Production code | EACX19 |
| Source | Wikipedia: Family Guy season 15 |
| Wikidata | Q30639412 |
| IMDb | tt6694370 |
| Verification | Checked against Wikidata and IMDb: title, date, numbering and credits agree |
| US viewers | 2.14 million |

## Voices

| Voice | Characters |
| --- | --- |
| Seth MacFarlane | Peter Griffin, Brian Griffin, Stewie Griffin |
| Alex Borstein | Lois Griffin |
| Seth Green | Chris Griffin |
| Mila Kunis | Meg Griffin |
| Mike Henry | Cleveland Brown |
| Steve Callaghan | Delivery Man |
| Portia de Rossi | Bonnie Swanson's Prank Call Voice |

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

- Jennifer Tilly as Bonnie Swanson
- Sanaa Lathan as Donna Tubbs-Brown
- Olesya Rulin as Russian Meg Griffin Double
- Rachael MacFarlane as Katie
- Portia de Rossi as Bonnie Swanson's Prank Call Voice
- Steve Callaghan as Delivery Man

## Links

- Season: [15](https://familyguy.co.uk/episodes/season-15/)
- Source: [Wikipedia: Family Guy season 15](https://en.wikipedia.org/wiki/Family_Guy_season_15)
- Wikidata: [Q30639412](https://www.wikidata.org/wiki/Q30639412)
- IMDb: [tt6694370](https://www.imdb.com/title/tt6694370/)
- US viewers: [2.14 million](https://en.wikipedia.org/wiki/Family_Guy_season_15)

## Navigation

- Previous: [S15E19 Dearly Deported](https://familyguy.co.uk/episodes/s15e19-dearly-deported/)
- Next: [S16E01 Emmy-Winning Episode](https://familyguy.co.uk/episodes/s16e01-emmy-winning-episode/)
- Season hub: [Season 15](https://familyguy.co.uk/episodes/season-15/)
- All episodes: [Family Guy episode guide](https://familyguy.co.uk/episodes/)

## Season 15: episode 20 of 20

- S15E01 [The Boys in the Band](https://familyguy.co.uk/episodes/s15e01-the-boys-in-the-band/)
- S15E02 [Bookie of the Year](https://familyguy.co.uk/episodes/s15e02-bookie-of-the-year/)
- S15E03 [American Gigg-olo](https://familyguy.co.uk/episodes/s15e03-american-gigg-olo/)
- S15E04 [Inside Family Guy](https://familyguy.co.uk/episodes/s15e04-inside-family-guy/)
- S15E05 [Chris Has Got a Date, Date, Date, Date, Date](https://familyguy.co.uk/episodes/s15e05-chris-has-got-a-date-date-date-date-date/)
- S15E06 [Hot Shots](https://familyguy.co.uk/episodes/s15e06-hot-shots/)
- S15E07 [High School English](https://familyguy.co.uk/episodes/s15e07-high-school-english/)
- S15E08 [Carter and Tricia](https://familyguy.co.uk/episodes/s15e08-carter-and-tricia/)
- S15E09 [How the Griffin Stole Christmas](https://familyguy.co.uk/episodes/s15e09-how-the-griffin-stole-christmas/)
- S15E10 [Passenger Fatty-Seven](https://familyguy.co.uk/episodes/s15e10-passenger-fatty-seven/)
- S15E11 [Gronkowsbees](https://familyguy.co.uk/episodes/s15e11-gronkowsbees/)
- S15E12 [Peter's Def Jam](https://familyguy.co.uk/episodes/s15e12-peters-def-jam/)
- S15E13 [The Finer Strings](https://familyguy.co.uk/episodes/s15e13-the-finer-strings/)
- S15E14 [The Dating Game](https://familyguy.co.uk/episodes/s15e14-the-dating-game/)
- S15E15 [Cop and a Half-wit](https://familyguy.co.uk/episodes/s15e15-cop-and-a-half-wit/)
- S15E16 [Saturated Fat Guy](https://familyguy.co.uk/episodes/s15e16-saturated-fat-guy/)
- S15E17 [Peter's Lost Youth](https://familyguy.co.uk/episodes/s15e17-peters-lost-youth/)
- S15E18 [The Peter Principal](https://familyguy.co.uk/episodes/s15e18-the-peter-principal/)
- S15E19 [Dearly Deported](https://familyguy.co.uk/episodes/s15e19-dearly-deported/)
- S15E20 A House Full of Peters (this entry)

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