: Expresses her discomfort with Ross's close relationship with his ex. Friends: Season 4, Episode 21 - Rotten Tomatoes

: As Ross and Emily mail out their wedding invitations, a major conflict arises: should Ross invite his ex-girlfriend, Rachel?

This episode, which originally aired on April 23, 1998, serves as a poignant clip show that explores the complex history between Ross Geller and Rachel Green as Ross prepares to marry Emily Waltham. Plot Overview