Ep 13. A Very Sunny Christmas, Part 1

It's Always Sunny in Philadelphia season 6 episode 13, titled "A Very Sunny Christmas, Part 1," is a holiday-themed episode that follows the dysfunctional gang on their quest to have the best Christmas ever.

The episode begins with Dee and Dennis sitting down to watch old home videos of their childhood Christmas celebrations. They notice that Frank, their father, was absent from all of their holiday memories. This leads them to question their parents' marriage and wonder if Frank is actually their biological father. This sets up the main plot of the episode as Dee and Dennis decide to seek out their real father and confront their mother about the truth.

Meanwhile, Charlie and Mac are on a mission to find the perfect Christmas tree to impress their crushes, the Waitress and Carmen. Along the way, they run into a gang of tough kids who threaten to beat them up.

As the gang splits up to carry out their respective missions, chaos ensues. Charlie and Mac get into a brawl with the kids, causing them to lose the tree they had picked out. Dee and Dennis track down their mother's ex-boyfriend in hopes of finding their real father, but end up getting into a heated argument with their mom about their childhood. And Frank, who had been absent throughout most of the episode, finally makes an appearance with a surprise that could potentially ruin Christmas for everyone.

The episode is filled with the usual zany hijinks and crude humor that fans of the show have come to love. In addition to the comedic elements, the episode also explores the themes of family, identity, and the true meaning of Christmas. While the gang may be dysfunctional and at times downright reprehensible, they ultimately come together in the end to reaffirm their love for each other - warts and all.

Overall, "A Very Sunny Christmas, Part 1" is a hilarious and heartwarming episode that is sure to become a holiday classic for fans of the show.