Glenn Howerton

Glenn Howerton USA Today

Dennis will be back for the new season of 'It's Always Sunny in Philadelphia' after all

Rob McElhenney, Kaitlin Olson kept relationship secret from 'It's Always Sunny in Philadelphia' cast mates

It's Always Sunny

FX announces 'It's Always Sunny in Philadelphia' 13th season air date

It's Always Sunny in Philadelphia cast

'It's Always Sunny in Philadelphia' sets sights on comedy record book

It's Always Sunny in Philadelphia cast

Glenn Howerton addresses fan conspiracy theories from 'It's Always Sunny in Philadelphia'

Glenn Howerton USA Today

Glenn Howerton: I never said I'm coming back to 'It's Always Sunny in Philadelphia'

Glenn Howerton USA Today

Glenn Howerton hasn't officially left 'It's Always Sunny in Philadelphia'

Glenn Howerton USA Today

Glenn Howerton hints at no return to 'It's Always Sunny in Philadelphia'

With Glenn Howerton's role uncertain, Kaitlin Olson talks 'It's Always Sunny' future

Kaitlin Olson puts wager on Glenn Howerton returning to 'It's Always Sunny in Philadelphia'

030516_KaitlinOlson

Fox orders pilot for new comedy series from 'Always Sunny' creators

'It's Always Sunny in Philadelphia' movie could be on the way 'someday'

WATCH: Patton Oswalt offers take on 'subhuman' cast of 'It's Always Sunny in Philadelphia'

Glenn Howerton might leave 'It's Always Sunny in Philadelphia'

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Carson Wentz will start for Eagles in Week 3 — and Pederson says he won't hold anything back

091718_Carson-Jeffery_usat

Here's a look inside Sprouts Farmers Market at Lincoln Square

Carroll - Sprouts Farmers Market

Penn just made it possible to get an Ivy League bachelors degree online

Carroll University of Pennsylvania Students

Lawyer: Pennsylvania police officer linked to lewd videos at Hoboken bar

The Hub Hoboken

It sure sounds like the Eagles are going to add a wide receiver

041518DezBryant

Here's how to get tickets to Barack Obama's Philly visit in support of Bob Casey, Tom Wolf

President Barack Obama

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