Complex sentence: Later in 2005, Macdonald performed as a voice actor, portraying a genie named Norm, on two episodes of the cartoon series "The Fairly OddParents," but could not return for the third episode, "Fairy Idol", owing to a scheduling conflict.
Split into simpler sentences: Later in 2005, Macdonald performed as a voice actor, portraying a genie named Norm, on two episodes of the cartoon series "The Fairly OddParents". But he could not return for the third episode, "Fairy Idol", owing to a scheduling conflict.