GREY'S ANATOMY - 'When It Hurts So Bad' - Meredith takes a step forward with Will but quickly regrets it; Maggie senses a disconnection with Andrew; and Amelia reevaluates her relationship with Owen. Meanwhile, Catherine comes into town and really shakes things up with April and Jackson, on 'Grey's Anatomy,' THURSDAY, MARCH 31 (8:00-9:00 p.m. EDT) on the ABC Television Network. (Photo by Richard Cartwright/ABC via Getty Images) JUSTIN CHAMBERS, ELLEN POMPEO

GREY'S ANATOMY - 'When It Hurts So Bad' - Meredith takes a step forward with Will but quickly regrets it; Maggie senses a disconnection with Andrew; and Amelia reevaluates her relationship with Owen. Meanwhile, Catherine comes into town and really shakes things up with April and Jackson, on 'Grey's Anatomy,' THURSDAY, MARCH 31 (8:00-9:00 p.m. EDT) on the ABC Television Network. (Photo by Richard Cartwright/ABC via Getty Images)
JUSTIN CHAMBERS, ELLEN POMPEO