Complex sentence: After 10 episodes beginning in April 2007, it took a few months off, returning in August at the later time of allowed the show to move from a PG to an M rating, and to include more adult-oriented humour.
Split into simpler sentences: After 10 episodes beginning in April 2007, it took a few months off. Returning in August at the later time of allowed the show to move from a PG to an M rating, and include a more adult-oriented humour.