THE IDEON: BE INVOKED

The epic conclusion to the Ideon saga, featuring what was meant to be the final 5 episodes of the TV series. The Solo Ship and its crew continue their intense battle with the Buff Clan leading to a final battle that will determine the fate of all life in the universe. This movie features the last episode of the TV series Space Runaway Ideon (39), and four more episodes (40-43) that were meant to air on TV, but never did since the show was cancelled. This movie was the second part of a double feature along with "The Ideon: A Contact". (Source: Anime News Network) — Description from AniList community (anilist.co).