It's Always Sunny in Philadelphia (2005)

S15E3 The Gang Buys a Roller Rink

Title: The Gang Purchases a Roller Rink Plot: In a flashback, a naive Dennis uncovers the shocking truths behind Frank's shady enterprise. Meanwhile, a genuinely enthusiastic Dee is thrilled about her upcoming journey to Hollywood. As this unfolds, Charlie and Mac find themselves facing uncertainty regarding their positions at the roller rink.