Original sentence: while Trifecta Entertainment & Media holds the television rights (inherited from CBS Television Distribution and predecessor company Worldvision Enterprises, once a Spelling Entertainment company), with certain exceptions, such as Cliffhanger, which Sony Pictures Television distributes
Edited sentence: Trifecta Entertainment & Media holds the television rights (inherited from CBS Television Distribution and predecessor company Worldvision Enterprises, once a Spelling Entertainment company), with certain exceptions, such as Cliffhanger, which Sony Pictures Television distributes