Episode 17: The One With Two Parts (2) -

: George Clooney and Noah Wyle appeared as Dr. Michael Mitchell and Dr. Jeffrey Rosen. While technically not playing their ER characters (Ross and Carter), the visual of them in scrubs was a deliberate nod to the #1 drama of the time.

: Ross spends the episode terrified of becoming a bad father. A pivotal lunch with Jack Geller (Elliot Gould) provides one of the series' first genuine father-son bonding moments, as Jack recounts the moment he first felt like a dad. Episode 17: The One With Two Parts (2)

This episode was a centerpiece of NBC's strategy to bridge its flagship comedies and dramas. : George Clooney and Noah Wyle appeared as Dr

: Michael Lembeck directed this installment; he would go on to direct many of the show's most ambitious "event" episodes. While technically not playing their ER characters (Ross

: The "evil twin" dynamic was established here to explain why Lisa Kudrow was appearing on both Friends and Mad About You (where she played Ursula the waitress). Phoebe’s decision to impersonate Ursula to give Joey a "clean break" shows her profound loyalty and empathy, even when it means hurting her own feelings.

: For perhaps the first time, Joey is truly heartbroken. His infatuation with Ursula leaves him blind to her apathy, highlighting a naive romanticism that would reappear throughout the series. Trivia & Lasting Impact