Trivia quiz
It's Always Sunny in Philadelphia Trivia
20 questions and answers: 6 easy, 8 medium, and 6 hard.
The gang has been scheming, screaming, and ruining Philadelphia for longer than any other live-action American sitcom. This quiz pours you a tall glass of Paddy's trivia: Charlie work, Dennis's systems, Frank's aliases, Mac's big reveals, and a few facts from behind the camera.
Tap a choice to lock in your answer and see the explanation, or open any answer below to check it. Questions run from easy to hard, and every answer links to the It's Always Sunny in Philadelphia character guides.
It's Always Sunny in Philadelphia trivia questions and answers
Score: 0 / 0 answeredof 20 questions
- Question 1Easy
What is the name of the bar the gang owns and runs?
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Answer: A. Paddy's Pub
Paddy's Pub is a dingy Irish bar in South Philadelphia, and the gang treats running it as the least important part of their day.
Character guides: Charlie Kelly, Mac, Dennis Reynolds
- Question 2Easy
Which famous actor joined the cast as Frank Reynolds starting in season two?
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Answer: D. Danny DeVito
FX wanted a bigger name after a low-rated first season, and DeVito arrived in the season two premiere as the twins' father.
Character guide: Frank Reynolds
- Question 3Easy
Who is the woman Charlie spends most of the series obsessively pursuing?
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Answer: B. The Waitress
Charlie chases the Waitress from the first season onward, and the show famously never reveals her real name.
Character guides: Charlie Kelly, The Waitress
- Question 4Easy
How are Dennis and Dee Reynolds related?
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Answer: A. They are twins
Dennis and Dee are twins who rarely miss a chance to tear each other down, and Dee usually tends bar at Paddy's while the guys run their schemes.
Character guides: Dennis Reynolds, Dee Reynolds
- Question 5Easy
What is the name of the rock musical Charlie writes and stages to propose to the Waitress?
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Answer: B. The Nightman Cometh
"The Nightman Cometh" closes season four, and the gang later took a live version of the musical on tour.
Episode: Season 4, Episode 13, "The Nightman Cometh"
Character guides: Charlie Kelly, The Waitress
- Question 6Easy
What does the gang call the gross, dirty jobs at Paddy's that always fall to Charlie?
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Answer: C. Charlie work
Charlie work covers rats, toilets, and anything else nobody wants to touch. In "Charlie Work," he pulls off a dazzling plan to get the bar through a health inspection.
Episode: Season 10, Episode 4, "Charlie Work"
Character guide: Charlie Kelly
- Question 7Medium
What is Mac's full real name, finally revealed at the gang's high school reunion?
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Answer: B. Ronald McDonald
"The High School Reunion" settles one of the show's longest mysteries: Mac's name really is Ronald McDonald.
Episode: Season 7, Episode 12, "The High School Reunion"
Character guide: Mac
- Question 8Medium
What does Dennis call his step-by-step method for seducing women?
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Answer: A. The D.E.N.N.I.S. System
Dennis breaks down his seduction method letter by letter in "The D.E.N.N.I.S. System," and Charlie completely misses the point when he tries it on the Waitress.
Episode: Season 5, Episode 10, "The D.E.N.N.I.S. System"
Character guide: Dennis Reynolds
- Question 9Medium
Who turns out to be Dennis and Dee's biological father?
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Answer: B. Bruce Mathis
In "Dennis and Dee Get a New Dad," Bruce reconnects with the twins through Dee's MySpace page, and Frank does not take the news well.
Episode: Season 2, Episode 10, "Dennis and Dee Get a New Dad"
Character guides: Dennis Reynolds, Dee Reynolds, Frank Reynolds
- Question 10Medium
What fake doctor alias does Frank love to use?
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Answer: D. Dr. Mantis Toboggan
Frank creates the Mantis Toboggan persona in "The D.E.N.N.I.S. System" and keeps bringing the good doctor back for later schemes.
Character guide: Frank Reynolds
- Question 11Medium
In which episode does Mac come out for good?
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Answer: D. Hero or Hate Crime?
"Hero or Hate Crime?" starts as an argument over a lottery ticket and a falling piano, and ends with Mac saying who he is for keeps.
Episode: Season 12, Episode 6, "Hero or Hate Crime?"
Character guides: Mac, Frank Reynolds
- Question 12Medium
When Dee gives birth in season six, who turns out to be the baby's parents?
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Answer: B. Carmen and her husband, Nick
In "Dee Gives Birth," the guys are still guessing about the father until it turns out Dee was a surrogate for Mac's ex Carmen and her husband.
Episode: Season 6, Episode 12, "Dee Gives Birth"
Character guides: Dee Reynolds, Mac
- Question 13Medium
Which product does the gang try to sell so that cats can walk around silently?
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Answer: A. Kitten Mittens
Kitten Mittens debut in "Paddy's Pub: Home of the Original Kitten Mittens," alongside other doomed products the gang pitches at a merchandising convention.
Episode: Season 5, Episode 8, "Paddy's Pub: Home of the Original Kitten Mittens"
Character guide: Charlie Kelly
- Question 14Medium
What does Mac perform for his father, Luther, in prison in the season thirteen finale?
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Answer: C. An interpretive dance
In "Mac Finds His Pride," Mac tells Luther he is gay and then performs an elaborate dance with a ballerina. Luther walks out, but the inmates give Mac a standing ovation.
Episode: Season 13, Episode 10, "Mac Finds His Pride"
Character guide: Mac
- Question 15Hard
Before Kaitlin Olson was cast, who was originally set to play Sweet Dee?
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Answer: D. Jordan Reid
Jordan Reid, who was dating Rob McElhenney at the time, was lined up for the part. The role was recast after the couple split, and Kaitlin Olson made it her own.
Character guide: Dee Reynolds
- Question 16Hard
What was the title of the homemade pilot that grew into the series?
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Answer: C. It's Always Sunny on TV
The camcorder pilot took its name from the a-ha song "The Sun Always Shines on T.V.," from an album Glenn Howerton had been playing at the gym.
Character guides: Mac, Charlie Kelly, Dennis Reynolds
- Question 17Hard
Who does Charlie discover is his biological father during the gang's trip to Ireland?
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Answer: D. His pen pal Shelley
In "The Gang's Still in Ireland," Charlie finally meets Shelley Kelly, the pen pal he wrote to as a kid, and learns that Shelley is not his brother but his father.
Episode: Season 15, Episode 6, "The Gang's Still in Ireland"
Character guides: Charlie Kelly, Frank Reynolds
- Question 18Hard
Because of the back brace she wore in high school, what were Dee's classmates cruel enough to call her?
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Answer: C. The Aluminum Monster
Dee wore a back brace for scoliosis as a teen. The nickname lends half its name to the season three episode "The Aluminum Monster vs. Fatty Magoo," in which Dee gets jealous of her old high school best friend.
Episode: Season 3, Episode 5, "The Aluminum Monster vs. Fatty Magoo"
Character guide: Dee Reynolds
- Question 19Hard
Roughly how much weight did Rob McElhenney put on to play Fat Mac in season seven?
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Answer: A. About 50 pounds
McElhenney went from about 160 to over 210 pounds as a joke on sitcom stars who somehow look better every season, then started slimming down once filming wrapped.
Character guide: Mac
- Question 20Hard
The Waitress actress Mary Elizabeth Ellis is married in real life to which cast member?
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Answer: C. Charlie Day
Ellis and Charlie Day married in 2006, which gives Charlie's hopeless pursuit of the Waitress a funny real-life twist.
Character guides: The Waitress, Charlie Kelly
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