"With a Wonder and a Wild Desire," the Season 15 premiere of Grey's Anatomy , kicks off the "Season of Love" with Meredith Grey experiencing romantic fantasies while the hospital staff manages high-stakes trauma cases . Written by Krista Vernoff and directed by Debbie Allen, the episode focuses on romantic and professional shifts at Grey Sloan Memorial, including Teddy Altman's return and Jo Karev's career advancements . For a full recap, visit TV Fanatic .