India, Oct. 15 -- Grey's Anatomy Season 22 delivered major relationship changes, emotional hospital crises and a farewell to two longtime characters. As the medical drama prepares to return for Season 23, several storylines from the previous season are worth revisiting, from Owen Hunt and Teddy Altman's decision to leave Seattle to Meredith Grey and Nick Marsh taking a major step in their relationship.

The season also left Grey Sloan Memorial dealing with difficult professional decisions. Blue Kwan faced the consequences of treating a terminally ill patient without approval, Jo Wilson endured a life-threatening complication after giving birth to twins, and Link Lincoln struggled with pain that he kept largely to himself.

Here's a recap ...