How I Met Your Mother S05E09:

Slapsgiving 2: Revenge of the Slap

IMDb 8.4 22 min/episodeRelease:2005
Barney freaks out when Marshall bequeaths a "slap bet" slap to Ted and Robin. Meanwhile, Lily's estranged father shows up for Thanksgiving.
Genre: Comedy - Romance
Director: Pamela Fryman