Kamen Rider Gaim — Season 1, Episode 21: Yggdrasill's Secret

Episode synopsis

Unless nothing is done, the Helheim Forest will consume Earth and mankind will go extinct. Mitsuzane pressures Kouta to keep this truth a secret. Kaito investigates a mysterious life form in the forest.

About Kamen Rider Gaim

Kouta Kazuraba works hard as a part-timer and he thinks that he would like to be a different person in the future. One day, he happened to pick up a Sengoku Driver, the tool for transforming into an Armored Rider, in the forest and started fighting as Armored Rider Gaim to save the people from the monsters named Inves, who came from a different world.

More episodes from Season 1

• E1Transform! An Orange Fell From the Sky!?
• E2Finisher! Pine Kick!
• E3Shock! The Rival's Banana Transformation!?
• E4Birth! The Third Grape Rider!
• E5Revive! The Strawberry Arms of Friendship!
• E6Durian Rider, Go to War!
• E7Giant Watermelon, Big Bang!
• E8Baron's New Power, Mango
• E9The Great Inves Monster Capturing Operation!
• E10Great Rider Gathering! Revealing the Mystery of the Forest!
• E11The Truth Behind the Christmas Game
• E12Next Generation Riders Appears!