New episodes aired same-day on Cartoon Network and Boomerang. On March 28, 2017, Bunnicula returned after a year-long hiatus when five new episodes aired unannounced on Boomerang in a graveyard slot.
The series was picked up for a second and third season.
The first season ended on December 21, 2017.
- Chris Kattan as Bunnicula, Man Brushing Teeth, Arthur Monroe
- Sean Astin as Chester, Caged Bird, Garlic Man, Nutty Pete, Officer Ham
- Brian Kimmet as Harold, 20's Gangster, Dracula, Gamer 2, Male Cat 2, Male TV Actor, Man in Dining Room, Officer Bacon, Plant, Raccoon 1, Zombie Vegetable, Jackalope
- Kari Wahlgren as Mina, 20's Female Gangster, Bunnicula's Bride, Cool Cat, Customer, Duck 1, Female Cat 1, Female Cat 2, Female Cat 3, Lady in flashback, Female TV Actor, Elvira
- Eric Bauza as Gamer 1, Gamer 3, Patches the Weredude
- Yvette Nicole Brown as Mrs. Varney
- Luenell Campbell as Ted's Wife
- Arif S. Kinchen as Duck 2, Raccoon 2, Ted
- Grey Delisle-Griffin as Lady on TV, Madame Polodouri
- Brad Grusnick as Giant Cockroach, Mumkey, SpiderLamb
- Ryan Alosio as Evil 80's Mouse
- Kate Higgins as Becky, Granny, Mother, Barbara
- Richard Horvitz as Lugosi, Unworthy Male Stage Cat
- Lara Jill Miller as Lil Capone
- Monie Mon as Marsha
- Sumalee Montano as Fluffy
- Daran Norris as Hole of the Unworthy
- Jim Pirri as Grimbyte
- Stephen Stanton as Knight Owl
- Audrey Wasilewski as Cassandra
- Ben Diskin as Russell
- Susanne Blakeslee as Renée Acoutrément
- Tom Kenny as Mr. Molesbee
- Scott Menville as Count Cavanda, Hamburger Cheese, Scott Dingleman, Miserio, Orb Monster, Macaroni Art
- Bob Bergen as Woody
- Greg Eagles as Rusty Bones
- Brian T. Delaney as Randill
- Nicole Parker as Shavon
- Dave Wittenberg as Ghost Pepper
- Carlos Alazraqui as Gunther
- Jimmy Pardo as Lars Bogota
To see all the episodes, click here.
- Originally, Warner Home Video was planning to release another 2-disc DVD set featuring the remaining 20 episodes of season one on February 13, 2018, but that release was cancelled for unknown reasons.