Addison makes a special appearance at Grey Sloan to welcome Bailey’s new OB/GYN trainees. Maggie’s lung transplant is derailed, and Nick bonds with Lucas — before the day takes a shocking turn.

An internet dating site becomes the source of terror for a young widow. Muncy struggles with Velasco's absence.

Jimmy shares his favorite tweets from #MarchDadness and catches up with guests Kiefer Sutherland, and BTS’ Jimin before welcoming Fall Out Boy.

In lieu of a Quickfire, Tom and Gail surprise the chefs with an old-fashioned pub crawl around Central London. Pints are consumed and food is devoured until the judges reveal the Elimination Challenge. In teams of two, the chefs are tasked with recreating and elevating a classic pub dish. And to top the pressure, two chefs will pack their knives. Guest judges Brett Graham and James Cochran join Padma, Tom and Gail as well as a room full of guest diners.