Happy Slapsgiving, everyone! Tonight on How I Met Your Mother, the slap bet makes its triumphant return. People raving about last year's inaugural slap bet was 80 percent of what convinced me to start watching the show, so I'm now ready to witness the genius for myself.

The idea behind this slap bet is that Marshall has let Barney in on when the slap is coming (remember SlapCountdown.com?). But something tells me it's not going to be so easy to prepare for the next hit. All of this, meanwhile, is taking place during the first Thanksgiving hosted by Marshall and Lily, which should have some hilarity of its own. To watch a clip from the episode, just read more

Photo and video courtesy of CBS