Arthur challenges the kids to fix the most evil doll that ever existed.
Source: CBBC
Series 1: 3. Time Slime
The monster-loving maniacs dive into the fascinating world of ‘time slime’.
29-03-2025
CBBC
Series 1: 51. The Dark Lord Cometh - Part Ll
The heroes desperately try to avoid a confrontation with the invincible Dracula.
22-03-2025
CBBC
Series 1: 50. The Dark Lord Cometh - Part L
Dracula is coming for Arthur, and the Van Altens prepare to face one angry vampire.
15-03-2025
CBBC
Series 1: 49. Dark Tomorrow
Ernest and Ishaani go through the mirror to experience a terrifying future vision.
08-03-2025
CBBC
Series 1: 48. The Icelandic Yulecat
Once a year, monster hunters must host the terrifying, fashion-obsessed Icelandic Yulecat.
01-03-2025
CBBC
Series 1: 4. The Glarbergastling
Arthur and the kids embark on their first mission together.
21-02-2025
CBBC
Series 1: 2. Welcome To Gruselbrook - Part 2
Edith and Bo decide to stay and fulfil their destiny, but Ernest has serious doubts.
19-02-2025
CBBC
Series 1: 1. Welcome To Gruselbrook - Part 1
Three monster-loving kids visit their grandfather in the most haunted city on earth.
18-02-2025
CBBC
Series 1: 18. The Power Phoenix
A giant, energy-eating bird is draining the Gruselbrook power plants.
17-02-2025
CBBC
Series 1: 40. The Mirror Of Souls - Part I
Dracula is back with a special mission for the kids.
04-01-2025
CBBC
Series 1: 27. Peace, Love And Harmony - Part One
Grandma Tamsyn uses her magical powers in ways the kids don't approve.
10-12-2024
CBBC
Series 1: 11. Way Of The Troll
Bo gets abducted by a family of trolls - and loves it!
18-11-2024
CBBC
Series 1: 13. Ship Of Doom
Arthur tells the story of how he managed to capture Dracula in the past.
20-11-2024
CBBC
Series 1: 37. Into The Wild
The kids embark on a monster photo safari.
07-12-2024
CBBC
Series 1: 7. Professor Dracula
Edith leads a reckless mission to awaken a dangerous, undead substitute teacher.
12-11-2024
CBBC
Series 1: 22. Dreamscapes
The Van Alten family is plagued by terrible nightmares.
03-12-2024
CBBC
Series 1: 46. The Shavening
A crew of zombie pirates emerge from the ocean to fight a ritualistic duel of swords.
15-02-2025
CBBC
Series 1: 8. The Date
Ernest goes on his first date, but Gruselbrook can be dangerous at night.
13-11-2024
CBBC
Series 1: 28. Peace, Love And Harmony - Part Two
Tamsyn has cast a spell over the family.
11-12-2024
CBBC