The Mystery of Quma is another film in Ed, Edd, n Eddy's Ed-ventures Chronicles.
Long ago where the dragconsequss war took place in Equinelantis, and the Emperpor's best royal guard captain had a friend rare crossbreed equine named "Hoverio" (not a dragony) and in order to keep him safe as the invading dragconequss came in and then he went to the great tree of life where he sacrifaced himself to stop the invading dragconequss army and they were all vanquished, (except for a few that escaped) and then years later he return and meets our heroes and then Spike is taken by the Quma of the Tree of Life. And they get help from the Hovrio to get Spike back.
- This film is based off of "Pokemon: Lucario and the Mystery of Mew".
- Duke, Smudger, Bertram, The Backyardigans, Kipper, Tiger, Pig, Arnold, Barney, BJ, Baby Bop, Amy, Marcela, Cody, Blackie the Lamb, Mitzi, Gail Trent, and The Dazzlings guest star in this film.
- This film marks it's first appearances of Hoverio and Quma