The One with Joey's Big Break Friends : Season 5 Episode 22

Joey seems to have finally hit big when he gets offered a lead part in a movie shooting outside of Las Vegas. However, when Chandler begins expressing doubts about the film's legitimacy, it causes a rift in their friendship. Also, Rachel gets an eye infection but is reluctant to seek treatment because of her eye phobia. And Phoebe is mad at Ross, but doesn't know why.