Provider: Eastern (ET) Change
Meredith wants Heather to help repair Derek's hand, even if it requires pushing the limits. Meanwhile, Cristina encourages her interns to get competitive with each other; Alex sees a different side of Jo; and Shane learns an important lesson from April.
A gas-tanker explosion results in many injuries, and a paramedic is among the wounded. Meanwhile, a distraught mother wants to uncover the cause of her son's mysterious illness; and Owen gets close to a young boy whose parents may die.
Meredith struggles to balance her work with motherhood. Elsewhere, Stephanie strives to impress Jackson's mother; Jo gets too attached to a patient; and Callie and Owen get wrapped up in an emotional dilemma concerning a patient.
Pressure mounts for Derek both at work and home. Meanwhile, Meredith helps Cristina write an acceptance speech in case she wins an award; April and Jackson are at odds over big marital issues; and Callie and Arizona attempt to reestablish their bond.