Upon returning to Arachna, the Spider Riders discover Invectids at the castle. Slate and his troops struggle to hold them off until Igneous turns the tide in their favour. The Invectids flee, only to return at night with a new type of Invectid to attack Slate and other guards.
Genres: Action & Adventure , Comedy , Sci-Fi & Fantasy , Animation
Keywords: anime , based-on-children-s-book , insect , isekai , spider , teen-superhero , watch-anime-series-online