Instructions Full Game: These are multiple-choice quizzes with four possible answer choices that include all questions in a given set.     
Identify the series which featured the following episode.

"Slap Bet" (2006)

It was ranked 62nd on TV Guide's "100 Greatest Episodes of All-Time" list from 2009.
"How I Met Your Mother"
"Playhouse 90"
"Law & Order"
"ER"