Discovery Factual Networks to Air Fan-Favorite Series Marathons

Discovery Channel, Animal Planet and Science Channel are slated to celebrate fan-favorite series and specials with programming marathons.

Discovery Channel will host marathons of the first season of Gold Rush, MythBusters, Serengeti, Shark Week and Deadliest Catch.

On Animal Planet, viewers can enjoy episodes of The Crocodile Hunter and Crikey! It’s the Irwins; Puppy Bowls; My Cat from Hell; and The Zoo, The Zoo: San Diego, Secret Life of the Zoo and The Aquarium.

A How It’s Made marathon and a Space Weekend, which will feature the premiere of Hubble: Thirty Years of Discovery, can be found on Science Channel.