Aired Thursday October 14, 7:30pm - 8:00pmon 4Music
How I Met Your MotherSeries 9 Episode 14: Slapsgiving No. 3: Slappointment in Slapmarra
Just before he attempts to deliver a devastating slap to Barney, Marshall tells the gang the story of how he went on a quest to learn the three mighty virtues of speed, strength and accuracy in order to master the `Slap of a Million Exploding Suns'.
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