Watch As Charlie Day Is Forced to Put Tighty Whities on Danny DeVito (VIDEO)

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bill-swift - September 27, 2013

The cast of It's Always Sunny In Philadelphia stopped by Conan last night, and they brought some pretty amazing footage with them. In this very special behind-the-scenes clip, Charlie Day is forced to help Danny DeVito put on a pair of tighty whities. And when he accidentally puts them on incorrectly, he's forced to start over.

Jesus. Talk about paying the troll toll.

Why would anyone besides a call girl go near Frank Reynolds' Junior and Twins? As Day explained, DeVito is known for his willingness to do whatever a scene requires. But when asked to appear in a scene wearing only tighty whities, he balked, and showed up wearing boxer briefs. When Day pushed him to change, DeVito agreed, but under one condition: Day had to help put them on.

In the name of comedy (and probably in the name of creating a viral video) Day agreed, and the rest is history.

At the 2:15 mark, you can hear DeVito say, 'Don't linger or it's gonna get big.'

Gross. Amazing. But gross.