John Oliver guest hosted The Daily Show with Jon Stewart in June 2013. His new HBO show, Last Week Tonight, premieres Sunday. Neilson Barnard/Getty Images for Comedy Central hide caption

itoggle caption Neilson Barnard/Getty Images for Comedy Central

Laverne Cox plays Sophia on Netflix's Orange Is The New Black, one of several current shows exploring the lives of transgender characters. Paul Schiraldi/Netflix hide caption

itoggle caption Paul Schiraldi/Netflix

Seth Meyers hosts the premiere of his talk show, Late Night with Seth Meyers, in February. "The trickiest part of this job the first week was just figuring out what to do with my hands," says Meyers, who was used to holding a microphone during standup. Remembering that he had pockets was key. Peter Kramer/AP hide caption

itoggle caption Peter Kramer/AP

An economic model is being challenged in the Supreme Court on Tuesday in a battle between broadcast television networks and the startup Aereo Inc. The issues focus on copyright law, but the outcome could alter broadcasting in the U.S. Saul Loeb/AFP/Getty Images hide caption

itoggle caption Saul Loeb/AFP/Getty Images