ABC series borrows from Disney's latest hit while consistenlty going back to old tropes season after season
The actress will return for a major story arc on Season 4
Kevin Bacon and Radha Mitchell co-star in the haunted house thriller
The new series stars Oscar-nominated actress Viola Davis
And who's that little mermaid we spy in Season 3?
Kid Rock, Celine Dion and Carly Rae Jepsen will also present at Sunday's ceremony