After six seasons of breakneck plot twists, earworm tracks, and iconic Cookie quips, Empire will soon come to an end. The final episode, airing, Tuesday, April 21 at 9/8c on Fox, will see the Lyons come together one last time as the groundbreaking series, which turned stars Taraji P. Henson and Terrence Howard into cultural icons, brings their unforgettable story to a close.