The last part, the last one, of third episode of Super Mario Bros Heroes of the Stars is here!
Now is about Princess Shroob summon her Dark Star and get rid of our heroes.
Wario Bros, Bowser Jr and Boshi are desperate from Mario Bros, because they blasted off far away.
Mario failed to rescue Princess Peach and must tell the people of Toad Town about bad news about Shroobs and Dark Star and also, took Bowser with him on Warp Star.
The whole explanation will be revealed in next episode.
Watch it: [link]
Super Mario Bros Heroes of the Stars (c) Yours Truly