A great white shark swims near Guadalupe Island off the coast of Mexico in a promotional image for Discovery Channel's Shark Week in 2013. The network special Megalodon: The Monster Shark Lives opened Discovery's annual Shark Week programming in 2013. Andrew Brandy Casagrande/Discovery Channel/AP hide caption

itoggle caption Andrew Brandy Casagrande/Discovery Channel/AP

Lebanon Levi (center) is depicted as the ringleader in Discovery's Amish Mafia. Locals in Lancaster County, Pa., say the reality TV show and its spinoffs are offensive fabrications. Discovery Networks hide caption

itoggle caption Discovery Networks