'It's Always Sunny In Philadelphia' Season 9 Spoilers: Premiere September 4 / Cast Talks New Episodes at Comic-Con 2013 [TRAILER]

The gang is back September 4 for the Season 9 premiere of It's Always Sunny In Philadelphia. While at Comic-Con, cast members Rob McElhenney, Glenn Howerton, Charlie Day, Kaitlin Olson and Danny DeVito answered questions for fans and even revealed a few spoilers for the upcoming season.

The panel even featured an exclusive screening of an episode from the new season called 'The Gang Broke Dee". The episode deals with a severely depressed Dee [Kaitlin Olson] who is fed up with the way the gang treats her. In the episode the gang tries their best to make Dee feel better. Will the gang succeed or is sweet Dee broken for good?

During the fan question portion of the panel the cast confessed a few spoilers we can expect in the ninth season.

It's Always Sunny In Philadelphia spoiler alert! Readers beware.

We know in Season 9:

- During a flu epidemic, the gang holes up in Paddy's Pub. Do they get infected? Or worse?

- There will be a "Lethal Weapon 6"!

- Game of Thrones writers D.B. Weiss and David Benioff are writing an episode called "Flowers for Charlie". It's basically a take on Limitless where Charlie takes a drug that makes him a temporary genius.

- There will be nudity.

- Special guest cameos for the Thanksgiving episode.

- Contrary to the hype, there will not be a Family Feud episode.

Tune in for the It's Always Sunny In Philadelphia Season 9 premiere, September 4 on FXX.

Check out the It's Always Sunny In Philadelphia panel at Comic-Con 2013:

Check out the It's Always Sunny In Philadelphia Season 9 trailer promo: