"The One with the Girl Who Hits Joey" is the fifteenth episode of Friends' fifth season, and the 112th overall. It first aired on the NBC network in the United States on February 18, 1999. In this episode, Joey (Matt LeBlanc) struggles in his relationship with over-physical girlfriend Katie (Soleil Moon Frye). Chandler (Matthew Perry) becomes insecure about his relationship with Monica (Courteney Cox) when their friends joke about long-term relationships, and Ross (David Schwimmer) struggles to fit in with the tenants in his apartment, no thanks to the efforts of Phoebe (Lisa Kudrow).