|This article is about a/an episode in Tokusou Sentai Dekaranger.|
Devil's DekaBase (デビルズ・デカベース Debiruzu Dekabēsu) is the forty-ninth and penultimate episode of Tokusou Sentai Dekaranger.
With an army of mecha-humans and mercenaries at his command, Abrella invades DekaBase, forcing the Dekaranger to scramble back to figure out how to save it and prevent the destruction of their city.
After Abrella has invaded the DekaBase, Kruger went off to fight while Swan close her door to shut off the machine droids. Meanwhile, the Dekarangers are still battle Jellyfish and found out that Abrella use Jellyfish as bait to cut through the DekaBase to attack the base and defeat Doggie Kruger. While Doggie fight off the machines, a droid has barged through Swan's lab to attack her but Murphy went to attack the machine and dodge the attack.
- As part of Super Hero Time, this episode aired alongside Kamen Rider Hibiki episode 1, The Echoing Oni
- Opening: In the final version of the opening (there is no normal opening credits in the following, final episode), a new version of the "turning scene" at the end is used with all six Dekaranger, including Tetsu.
- Final appearance of Super Dekaranger Robo and DekaBase Crawler.
Tokusou Sentai Dekaranger Volume 12 features episodes 46-50: Episode. 46: Propose Panic, Episode. 47: Wild Heart, Cool Brain, Episode. 48: Fireball Succession, Episode. 49: Devil's DekaBase and Episode. 50: Forever Dekaranger. 
The third volume of the Tokusou Sentai Dekaranger Blu-Ray Box Set comes with episodes 33-50 and will be released December 9, 2015