The only living descendant of Dr. Jekyll and Mr. Hyde makes a deal with the dark side.
| Writing | Anthony Bagarozzi | Screenplay |
| Directing | Ruben Fleischer | Director |
| Production | Ellen DeGeneres | Producer |
| Writing | Chuck Mondry | Screenplay |
| Writing | Steven Moffat | Writer |
| Production | Steven Moffat | Executive Producer |
| Production | Rachel Abarbanell | Executive Producer |
| Production | Jeff Kleeman | Producer |
