Complex sentence: Dorothy appears in the third and fifth seasons of the TV series "Once Upon a Time", where she is portrayed as an adult by Teri Reeves and as a child by Matreya Scarrwener.
Split into simpler sentences: Dorothy appears in the third and fifth seasons of the TV series "Once Upon a Time". She is portrayed as an adult by Teri Reeves and as a child by Matreya Scarrwener.