Dimension 20 Season 21 Plot
The Bad Kids return for a new year at the Aguefort Adventuring Academy - filled with new challenges, new enemies, and new allies.
Where to Watch
Region
Amazon Prime Video
Stream included
HD
Included
Amazon Video
Buy from
HD
$7.99
Amazon Prime Video with Ads
Stream included
HD
Included
The Roku Channel
Stream with ads
HD
Included
Prices last updated September 6, 2026. Pricing and availability may vary by region.
powered by JustWatch
Season 21 Episodes
20 episodes
1
Summer Scaries
As summer nears its end, the Bad Kids attempt to take care of one last task.
2
Summer Breakdown
The Bad Kids risk everything to get rid of the Night Yorb once and for all.
3
Not All Who Wanda Are Lost
The Bad Kids start their first day of junior year at Aguefort Adventuring Academy
4
Under Pressure
The Bad Kids realize how much work they'll be balancing this year. Adaine gets a job.
5
Mall Madness
The Bad Kids arrive at the astral mall to save Cassandra from a mysterious danger.
6
Party Politics
The party at Seacaster Manor is raging as new mysteries are uncovered.
7
Stress Tested
The Bad Kids try to balance school, popularity, extracurriculars, and the growing mystery.
8
Fracas at the Frostyfaire Folk Festival
The Bad Kids attend the Frostyfaire Folk Festival and contend against machines gone haywire.
9
Vulture Clash
The Bad Kids enter the Vulture Dimension - and try to solve the ultimate riddle.
10
Cursed Out
Junior year continues to challenge the Bad Kids as winter break approaches.
11
A Very Merry Moonar Yulenear
The Bad Kids and their families head to Fallinel for the holiday season.
12
Baron's Game
The Bad Kids find themselves in a strange version of Mordred Manor, with an old friend and their stark father.
13
Infernal Conflict
The Bad Kids travel across planes to delve deeper into the mystery of the forgotten god.
14
Dawn of Justice
The Bad Kids hit an academic rough patch that could threaten everything.
15
The Last Stand
The Bad Kids face down the ultimate test of their academic careers.
16
Untapped Rage
The pasts of the Rat Grinders comes into focus.
17
The Name
The Bad Kids uncover the hidden truth behind the mysteries of junior year.
18
Rock the Boat
It's election night - and Fabian's party is taking off.
19
Ragenarok (1)
The Bad Kids fight the creation of a new god - and try to certify election results.
20
Ragenarok (2)
The Bad Kids' junior year comes to a climactic end.