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How I Met Your Mother S03E16, Sandcastles in the SandS03E16

How I Met Your Mother · Season 3

How I Met Your Mother season 3 episode 16: Sandcastles in the Sand

Aired 21 April 200823 minRated TV-14

7.6TMDB · 40 votesMark watched

Where to watch How I Met Your Mother Season 3 in Australia

How I Met Your Mother season 3 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 $27.99.

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Availability checked 16 November 2026.

What happens in “Sandcastles in the Sand”

Robin's musical past emerges again as the group learns of someone named Simon from Robin's past. Barney searches for more Robin Sparkles memorabilia.

Episode summary: TMDB.

Before you watch

  • It is episode 16 of 20 of season 3, so watch episodes 1 to 15 first.
  • It runs about 23 minutes.
  • Directed by Pamela Fryman, written by Kourtney Kang.
  • TMDB users rate it 7.6 out of 10 (40 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
Kourtney Kang
Guest stars
Ryan Michelle Bathe as MichelleChris Romano as Punchy PunciarelloAlan Thicke as Alan ThickeJames Van Der Beek as Simon TremblayLyndsy Fonseca as DaughterDavid Henrie as SonTiffany as Catholic School Girl

Credits: TMDB.

More from How I Met Your Mother Season 3

Previous · S03E15The Chain of Screaming14 April 2008
S03E17Next · S03E17The Goat28 April 2008
  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

Every episode of Season 3How 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.