The newest Cartoon Network original series, The Secret Saturdays, is set to premiere this October on a new Friday night fantasy/adventure block. Created by Jay Stephens, the series is about a family of cryptozoologists that work to keep the truth about cryptids from getting out, to protect both the human race and the creatures themselves. 26 episodes were produced for the channel by Porchlight Entertainment.
The Marvelous Misadventures of Flapjack, Cartoon Network's newest comedy series, has been picked up for a 20-episode second season that is likely to start airing next summer. Also, the remaining 8 episodes of the first season will start airing this winter. Created by Thurop Van Orman, the series is about a young boy named Flapjack who dreams of becoming an adventurer. Produced by Cartoon Network Studios.
The animated short Adventure Time, created by Pendleton Ward for Nick's Random Cartoons, was picked up by Cartoon Network as a series. Pendleton Ward is currently a writer on the animated series Flapjack. Adventure Time is about a boy named Pen and his dog Jake, and there adventures in a strange land. Where the show is being produced is currently unknown. Short can be seen here.
The animated short, Fanboy and Chum Chum, has recently been greenlighted for series by Nickelodeon. Originally to air as part of Random Cartoons, the short is about...some boy who wants to be a superhero. Created by Eric Robles, the series is being produced at Frederator Studios. 26 episodes have been ordered. More information available at production blog.