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How I Met Your Mother S01E20, Best Prom EverS01E20

How I Met Your Mother · Season 1

How I Met Your Mother season 1 episode 20: Best Prom Ever

Aired 1 May 200622 minRated TV-14

7.4TMDB · 51 votesMark watched

Where to watch How I Met Your Mother Season 1 in Australia

How I Met Your Mother season 1 is streaming in Australia on Disney+ (subscription, listed for the whole show). You can also buy it on Apple TV from $24.99 and Prime Video Store from $24.99.

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Availability checked 16 November 2026.

What happens in “Best Prom Ever”

Lily, Barney and Robin attend a high school prom to scout out a potential band for Lily and Marshall's wedding reception. In order to get in Lily and Robin pretend to be the dates of two kids who were going alone. Ted and Marshall are back at the apartment where they are preparing the invitations to be sent out.

Episode summary: TMDB.

Before you watch

  • It is episode 20 of 22 of season 1, so watch episodes 1 to 19 first.
  • It runs about 22 minutes.
  • Directed by Pamela Fryman, written by Ira Ungerleider.
  • TMDB users rate it 7.4 out of 10 (51 votes).

How I Met Your Mother trailer

The official trailer for the series (no preview of this episode has been published).

How I Met Your Mother trailerPlay video: How I Met Your Mother trailer

Cast and crew of this episode

Director
Pamela Fryman
Writer
Ira Ungerleider
Guest stars
Ira Ungerleider as Mr. CorkeDavid Burtka as ScooterAlek Lev as Todd EpsteinKeith Slettedahl as KeithJohn Reha as Shlub #1Brent Tarnol as Shlub #2Brett A. Jones as Security Guard #1Michael Owen as Security Guard #2

Credits: TMDB.

More from How I Met Your Mother Season 1

Previous · S01E19Mary the Paralegal24 April 2006Next · S01E21Milk8 May 2006
  1. E01
  2. E02
  3. E03
  4. E04
  5. E05
  6. E06
  7. E07
  8. E08
  9. E09
  10. E10
  11. E11
  12. E12
  13. E13
  14. E14
  15. E15
  16. E16
  17. E17
  18. E18
  19. E19
  20. E20
  21. E21
  22. E22

Every episode of Season 1How I Met Your Mother episode guide

Episode names, air dates, runtimes, stills and ratings: TMDB. Air dates are the first broadcast anywhere; where it streams is our daily Australian check.