Carla's scuzzy ex-husband Nick Tortelli (Dan Hedaya) sheepishly crawls into Cheers when his new wife dumps him. Insisting that he's changed his ways, Nick begs Carla to take him back, going so far as to take a menial job as the pub's janitor to prove that he's sincere. But while the Cheers gang is impressed by Nick's astounding character transformation, Carla isn't entirely buying it. ~ Hal Erickson, Rovi