It's Always Sunny in Philadelphia 

The DVD releases of Season Four and It’s A Very Sunny Christmas did not include any audio commentaries.

Special thanks to John F. for assistance in compiling this information.

 

Listing 22 commentaries.

It's Always Sunny in Philadelphia - Seasons 1 & 2 cover

It's Always Sunny in Philadelphia - Seasons 1 & 2
2 commentaries
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Episode 2.04: “Mac Bangs Dennis’ Mom”
Commentators: Charlie Day Danny DeVito Glenn Howerton Rob McElhenney

Episode 2.05: “Hundred Dollar Baby”
Commentators: Charlie Day Kaitlin Olson Glenn Howerton Rob McElhenney

It's Always Sunny in Philadelphia: Season 3 cover

It's Always Sunny in Philadelphia: Season 3
2 commentaries
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Episode 3.06: “The Gang Solves the North Korea Situation”
Commentators: Rob McElhenney Charlie Day Glenn Howerton

Episode 3.11: “Dennis Looks Like a Registered Sex Offender”
Commentators: Rob McElhenney Charlie Day Glenn Howerton

It's Always Sunny in Philadelphia: Season Five cover

It's Always Sunny in Philadelphia: Season Five
6 commentaries
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Episode 5.02: “The Gang Hits the Road”
Commentators: Rob McElhenney Charlie Day Danny DeVito

Episode 5.04: “The Gang Gives Frank an Intervention”
Commentators: Danny DeVito Drew Pinsky

Episode 5.05: “The Waitress is Getting Married”
Commentators: Charlie Day Kaitlin Olson Glenn Howerton

Episode 5.07: “The Gang Wrestles for the Troops”
Commentators: Danny DeVito Glenn Howerton Kaitlin Olson

Episode 5.09: “Mac and Dennis Break Up”
Commentators: Charlie Day Rob McElhenney Drew Pinsky

Episode 5.12: “The Gang Reignites the Rivalry”
Commentators: Rob McElhenney Charlie Day Glenn Howerton

It's Always Sunny in Philadelphia: The Complete Season 6 cover

It's Always Sunny in Philadelphia: The Complete Season 6
4 commentaries
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Episode 6.03: “The Gang Buys a Boat”
Commentators: Rob McElhenney Glenn Howerton Charlie Day

Episode 6.07: “Who Got Dee Pregnant?”
Commentators: Rob McElhenney Glenn Howerton Charlie Day

Episode 6.10: “Charlie Kelly: King of the Rats”
Commentators: Rob McElhenney Glenn Howerton Charlie Day

Episode 6.11: “The Gang Gets Stranded in the Woods”
Commentators: Rob McElhenney Glenn Howerton Charlie Day

It's Always Sunny in Philadelphia: The Complete Season 7 cover

It's Always Sunny in Philadelphia: The Complete Season 7
4 commentaries
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Episode 7.02: “The Gang Goes to the Jersey Shore”
Commentators: Charlie Day Rob McElhenney

Episode 7.08: “The Anti-Social Network”
Commentators: Glenn Howerton Charlie Day Rob McElhenney

Episode 7.09: “The Gang Gets Trapped”
Commentators: Glenn Howerton Charlie Day Rob McElhenney

Episode 7.13: “The High School Reunion Part 2: The Gang's Revenge”
Commentators: Glenn Howerton Charlie Day Rob McElhenney

It's Always Sunny in Philadelphia: The Complete Season 8 cover

It's Always Sunny in Philadelphia: The Complete Season 8
4 commentaries
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Episode 8.01: “Pop-Pop: The Final Solution”
Commentators: Rob McElhenney Charlie Day Glenn Howerton

Episode 8.02: “The Gang Recycles Their Trash”
Commentators: Rob McElhenney Charlie Day Glenn Howerton

Episode 8.03: “The Maureen Ponderosa Wedding Massacre”
Commentators: Rob McElhenney Charlie Day Glenn Howerton Josh Drisko

Episode 8.06: “Charlie's Mom Has Cancer”
Commentators: Charlie Day Glenn Howerton

Involving 7 commentators.