Plot summary
Earl decides it's time to make it up to local stunt man Sweet Johnny ( David Arquette ) for sleeping with his girlfriend. When Earl finds Sweet Johnny, he discovers Johnny has an amnesia in which he forgets everything that happened that day, and has been planning to do a stunt involving tying balloons to a lawn chair. Meanwhile, after being carjacked, Joy buys a gun but Darnell does not approve because of her disregard of gun safety.
Credits
Adapted from Wikipedia contributors, My Name Is Earl season 4. HTML formatting and reference markers removed.