Peter Capaldi and Jenna Coleman star as The Doctor and Clara Oswald on the BBC science fiction drama Doctor Who. Ray Burmiston/Ali/BBC America hide caption

itoggle caption Ray Burmiston/Ali/BBC America

Starting Thursday, FXX will air all 552 episodes of The Simpsons in the longest single-series marathon in TV history. AP hide caption

itoggle caption AP

Syfy's Wizard Wars is a reality series featuring a new team of magicians each week, who are challenged to transform random props into magical illusions. Dale Berman/Syfy/Syfy hide caption

itoggle caption Dale Berman/Syfy/Syfy