Frank's Birthday Picture

Frank tries to trick the gang into throwing him a surprise birthday party during "Charlie Kelly: King of the Rats."
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Lethal Weapon 5 Picture

A picture of Lethal Weapon 5 from It's Always Sunny in Philadelphia with Mac as Murtaugh and Dennis as Riggs. Though the two swapped halfway through...
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Jason Sudeikis on Always Sunny

Jason Sudeikis guest stars as an old member of the gang, Schmitty, who the kinds try to bring back in.
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Mac as Viggo

Mac tries to look cool and dresses as Viggo Mortenstein from the Lord of the Rings movies.
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Charlie the Vampire

Charlie attempts to dress like a vampire when he puts on a Phantom of the Opera costume on Always Sunny.
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Artemis and Frank Pic

Artemis and Frank have a little lovers quarrel in costume during the Always Sunny Halloween-themed episode.
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Who Got Dee Pregnant Picture

A picture from the Halloween episode of It's Always Sunny episode, "Who Got Dee Pregnant?" Dee is pregnant and the guys try to figure out who the father is.
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Mrs. Mac and Mrs. Kelly

Mrs. Mac and Mrs. Kelly move in together after Mrs. Mac burns her house down. Yes, we know this picture isn't from that episode, but look at them together.
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Stuck in the Pool

Mac and Charlie get stuck in the bottom of a drained pool in "Mac and Charlie: White Trash."
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Charlie Plays Hockey

Charlie plays a little hockey in his Philadelphia Flyers jersey on Always Sunny.
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Charlie Goes Diving

Charlie is stuck diving to clean the boat when the gang gets a boat. Just another Charlie job.
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Dennis Gets Divorced Picture

When Dennis marries his high school sweetheart, he realizes he needs to get a divorce in "Dennis Gets Divorced."
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It's Always Sunny Quotes

Charlie: I'll totally pull a Good Will Hunting on those kids and that'll put them in their place.
Mac: How you gonna do that?
Charlie: Well, you've seen the movie right?
Mac: Yeah.
Charlie: So all I gotta do is, I'll ask them some big shot, like math or science, history-type college question aand that will totally stump them by knowing a lot more about the answer than they do.
Mac: In that movie, Matt Damon played a genius janitor, you're just a janitor.
Charlie: Right, you stumped me with that one.

Mac: He doesn't have any poison.
Charlie: I don't have any on me, but I do keep some in my fridge at home in the relish jar.
Frank: There's poison in that jar? I thought I was allergic to pickles. What's in the jar with the skull and crossbones?
Charlie: Well that's mayonnaise. It's a decoy.
Frank: And the mayo?
Charlie: That's shampoo.
Frank: You're telling I've been putting shampoo on my sandwiches?
Charlie: If you've been using the mayonnaise, then yeah, probably.