Greys Anatomy - Season 7 -

Episode 18, "Song Beneath the Song," remains one of the show's most polarizing and memorable experiments, featuring the cast performing songs after Callie Torres is severely injured in a car accident.

The season opens one month after the shooting, with the doctors struggling to return to their routines. Derek Shepherd seeks adrenaline through high-speed driving, while Cristina Yang suffers from severe PTSD, ultimately leading her to quit surgery for a time and even take up bartending. A standout "documentary-style" episode, "These Arms of Mine," captures this recovery process six months later, as a film crew visits the hospital to witness the survivors' progress. Major Character Milestones Greys Anatomy - Season 7

Grey’s Anatomy Season 7: Healing, Harmonies, and Life-Altering Choices Episode 18, "Song Beneath the Song," remains one

Multiple couples reach the altar this year. Cristina and Owen Hunt marry early in the season, while Meredith Grey and Derek Shepherd finally make their union legal at City Hall to assist with their adoption of baby Zola. Callie and Arizona Robbins also tie the knot in a heartfelt ceremony officiated by Miranda Bailey. Callie and Arizona Robbins also tie the knot