What to Watch on Thursday: Are Derek’s days numbered on ‘Grey’s’?

Grey’s Anatomy (8 p.m., ABC) –After witnessing a terrible car accident, Derek (Patrick Dempsey) springs into action in hope of saving the lives of those involved. Worried about Derek? You should be...

Scandal (9 p.m., ABC) – Speaking of worrying about Derek, poor Jake. Is he actually dead or is this a trick? Please be a trick. Tonight, those trying to take down B613 must take drastic measures to ensure their safety. Meanwhile, the nation turns against Mellie, so Cyrus comes to her defense.

Reign (9 p.m., CW) – Mary aligns herself with France as the threat of England looms. Also, Kenna and Gen. Renaude grow closer.

Lip Sync Battle (10 p.m., Spike) – Boxer Mike Tyson lip syncs against actor Terry Crews.

Elementary (10 p.m., CBS) – Two paramedics are killed during a kidnapping, so Holmes and Watson help search for the killer and for a woman who was also abducted.

The Comedians (10 p.m., FX) – Billy and Josh are both nominated for the same award and told by the network that they must walk the red carpet together.

American Crime (10 p.m., ABC) – Aliyah plans to organize a march for Carter’s cause, resulting in heightened emotions within the community.

Dig (10 p.m., USA) – Lynn suspects a possible mole at the consulate, and Margrove and Peter visit a convent, each with different goals.

This story was originally published April 23, 2015 at 2:00 AM with the headline "What to Watch on Thursday: Are Derek’s days numbered on ‘Grey’s’?."