24. Now Or Never May 2026

This 2009 finale is famous for its "mind-blowing" and "heart-wrenching" double cliffhanger.

: It received widespread acclaim, particularly for Katherine Heigl’s performance. Viewers often describe it as "prime time television at its best" due to its brilliant acting and perfect execution. 2. Now or Never (Board Game) 24. Now or Never

: The episode’s climax occurs when the "John Doe" traces "007"—George O'Malley's nickname—into Meredith’s hand, revealing his true identity just as both he and Izzie begin to flatline. This 2009 finale is famous for its "mind-blowing"