Complex sentence: The plan was for Lemay to begin writing the show again after the end of the 1988 Writers Guild of America strike, which lasted from March to September, during which time Donna Swajeski was responsible for the storytelling.
Split into simpler sentences: The plan was for Lemay to begin writing the show again after the end of the 1988 Writers Guild of America strike. The strike lasted from March to September and the entire time Donna Swajeski was responsible for the storytelling.