For now, Grey's Anatomy keeps fans on edge ... Especially after the last episode left everyone worried about the fate of Dr.

One of the popular medical dramas, Grey's Anatomy came to television in 2005 and has since remained a fan-adored show on ABC.

"Grey's Anatomy" returns for the Season 21 midseason premiere on Thursday, March 6, at 10 p.m. in all U.S. time zones on ABC.

Grey's Anatomy's' 21 seasons have seen a rollercoaster of love stories, but in real life, much of the cast has been married ...