How I Met Your Mother Season 9 Episode 14
Slapsgiving 3: Slappointment in Slapmarra
Episode Description: Slapsgiving 3: Slappointment in Slapmarra
How I Met Your Mother Season 9 Episode 14 Watch Online - In an attempt to deliver a devastating final slap to Barney, Marshall explains how he mastered the Slap of A Million Exploding Suns.
