Watch It's Always Sunny in Philadelphia - Season 3, Episode 9 - Sweet Dee's Dating a Retarded Person: Dee gets involved with a famous local rapper who might be mentally challenged, and whose success ... All these questions are raised by "Retarded Person," but the only one that .....

It's Always Sunny In Philadelphia: "Sweet Dee's Dating A Retarded Person" ...

This episode is one of the quintessential episodes of Always Sunny.

" elicits the greatest reaction from Charlie, quite possibly the best Charlie reaction.

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The title refers to the B-plot, where Dee lets Dennis' insults get under her skin and starts scrutinizing her rapper boyfriend Lil' Kevin to figure out if he's mentally handicapped.

(Arguments for: He lives with his mom, he drinks juice boxes, and he hugs really hard.) But the real action happens when the men of Paddy's decide to form a rock & roll band, and then splinter into factions over disagreements about everything from their name — Frank favors the Pecan Sandies, which he swears is a double-entendre — to whether they should rehearse.