Complex sentence: The series premiered on Cartoon Network on September 14,2007, to coincide with the release of the "Re-Animated" movie on DVD, and was the only network show to be affected by the 2007 Writers Guild of America strike.
Split into simpler sentences: The series premiered on Cartoon Network on September 14,2007, to coincide with the release of the "Re-Animated" movie on DVD. The show was the only show on the network to be affected by the 2007 Writers Guild of America strike.