: The visual of the "Chiefs' Wall" including Derek, which many fans found heartbreakingly nostalgic.
: Owen and Amelia face a "gut punch" when Betty's parents (played by Jennifer Grey and Kyle Secor) arrive after Betty flees rehab. The revelation that they are Leo's grandparents sets the stage for a devastating legal battle.
: The hospital is flooded following a shooting at a Scottish parade. The primary patient is a 15-year-old boy shot in the chest. His story serves as a vehicle for the show to address gun violence, featuring a literal "musical interlude" from his bagpipe troupe in the ER. [S15E13] I Walk The Line
: After seeking (and easily receiving) Maggie's blessing, Meredith and DeLuca head out on their first official date, signaling a firm choice in the Meredith-DeLuca-Link triangle.
: Jennifer Grey ( Dirty Dancing ) as Carol Dickinson and Billy Boyd ( Lord of the Rings ) as Seamus. : The visual of the "Chiefs' Wall" including
: A lighter subplot features Bailey’s jealousy over Alex’s success as interim Chief. It ends on a sweet note with Bailey admitting she is proud of how far he has come. 💬 Critical Reception
“Maggie's case is fun to watch on this episode. I like the side of her that shows a bit of her backstory, and I like that she's the kind of person who would debate with herself and find compassion for someone who once treated her so badly.” Tell-Tale TV : The hospital is flooded following a shooting
Review for , titled " I Walk the Line ."