Charlie and Dennis go to the hardware store to buy items for their extreme makeover home.

Charlie, Dennis and Mac work on their vision board, which is supposed to help them attain the things they want in life.

Dee and Mac give Frank a task, which ends up getting him injured.

Dennis shows Mac why his shorts are better for working construction.

Mac and Charlie Sing Day Bow Bow.

See what really happens behind the scenes of It's Always Sunny in Philadelphia. The cast can guarantee you that it will most likely be inappropriate.

Mac tells Dennis that laughs are cheap.

Charlie performs a surprise musical number.

Frank and Dennis complain about the pronunciation of "Boy's Soul."

Charlie reveals that he wrote a musical