Never: 24. Now Or

: Her 2024 novel (the 31st in the Stephanie Plum series) features the protagonist finally making a choice between her two love interests, Morelli and Ranger. Reviews note it maintains the series' signature "quips and banter" while finally showing character progression.

The phrase most commonly refers to the Season 5 finale of Grey’s Anatomy (Season 5, Episode 24), which is widely regarded by fans and critics as one of the most emotional and shocking episodes in television history. 24. Now or Never

This 2009 finale is famous for its "mind-blowing" and "heart-wrenching" double cliffhanger. : Her 2024 novel (the 31st in the

: The doctors struggle to save a "John Doe" severely disfigured after jumping in front of a bus to save a stranger. Simultaneously, Izzie Stevens undergoes a risky brain surgery that leaves her with temporary memory loss. This 2009 finale is famous for its "mind-blowing"

: 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.