[s5e22] What A Difference A Day Makes [ULTIMATE]

: After Derek and Bailey discover that Izzie has an inoperable brain tumor, the group decides to celebrate her life and love immediately.

: Despite the shift in plans, the wedding remains a fan favorite, featuring the original "MAGIC" interns (Meredith, Alex, George, Izzie, and Cristina) as the wedding party. [S5E22] What a Difference a Day Makes

The episode's central plot twist occurs when Meredith and Derek decide to give their meticulously planned wedding to Izzie and Alex. : After Derek and Bailey discover that Izzie