Cringe-Worthy Friends Moments That Happened Behind The Scenes

Friends had plenty of memorable awkward moments in its 10-year-run, from the countless times Ross insisted he and Rachel were on a break to the time Joey made Chandler stay in a box all Thanksgiving, but there were just as many awkward moments behind the scenes of the NBC sitcom. The cast were clearly great friends in real life, but that doesn't mean tensions didn't run high now and then. From the difficulties caused by having a monkey on set in the first season to Matthew Perry's battle with addiction, here are some cringe-worthy Friends moments that happened behind the scenes.