- Charlie Day (Charlie Kelly)
- Glenn Howerton (Dennis Reynolds)
- Rob Mac (Ronald 'Mac' McDonald)
- Kaitlin Olson (Dee Reynolds)
- Danny DeVito (Frank Reynolds)
It's Always Sunny in Philadelphia — S12E4
Episode: Wolf Cola: A Public Relations Nightmare
Air Date: 2017-01-25
Runtime: 20 min
Overview
Franks Fluids LLC is in big trouble after a news segment. Dee and Dennis help with the PR nightmare and Charlie and Mac work on a scheme to make Fight Milk the official drink of the UFC.