ABC has announced a TGIT Crossover event on March 1. Starting at 8, the stars of the upcoming Station 19 appear on Grey’s Anatomy. In “You Really Got a Hold on Me,” Seattle firefighters Ben Warren and Andy Herrera head to Grey Sloan after rescuing two boys that are injured in a house fire. With one of the boys’ lives literally in Andy’s hands, her skills are put to the test. Meanwhile, the doctors are hard at work on their projects for the Grey Sloan Surgical Innovation Contest; and Amelia brings Tom Koracick in to consult on her and Alex’s patient.

Then the stars of Scandal and How to Get Away with Murder appear on each others’ series. First is Scandal’s “Allow Me to Reintroduce Myself” where in the midst of moving on from the White House, Olivia gets an unexpected visitor in criminal defense attorney Annalise Keating, who seeks her help in fast-tracking a judicial reform class action to the United States Supreme Court. However, after Olivia’s recent fall from political grace, it’s going to be more challenging than ever to get the support they need.

Then in How to Get Away with Murder’s “Lahey v. Commonwealth of Pennsylvania,” As Annalise’s class-action case hangs in the balance, a meeting with the esteemed Washington D.C. fixer, Olivia Pope, proves to be crucial in getting the opportunity to argue her case in the nation’s highest court. Meanwhile, Bonnie discovers concerning information pertaining to Simon that threatens to expose what really happened during night he was shot.