“The Orville” continues to explore Star Trek-style allegory but with its own unique brand of humor, and this week was another quality entry that managed that delicate juggling act, delivering scathing commentary on international gender inequality with…Dolly Parton. The Story. Capt. Ed Mercer (writer/creator/producer/star Seth MacFarlane) and his first and second officers, Kelly Grayson (Adrianne…