Part 8 of Mario, Luigi and their baby counterparts journey through time to save the mushroom kingdom from the Shroob alien race
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https://www.youtube.com/watch?v=HP0fAUSRL6M
All the green stars in the galaxies of world 3 Galaxies: Tall Trunk 00:00, Cloudy Court 07:42, Freezy Flake 14:18, Haunty Halls 21:25, Beat Block 27:37, Rolling Masterpiece 31:32 and Bowser Jr's Fearsome Fleet 36:12
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https://www.youtube.com/watch?v=DPViXyQMRxs
Going through the Enemy Juggernaut fortress to stop the sleg troops for good , the fortress is disabled, Galyana city is attacked by the Brachiosaur artillery and defended, Bruckner is finally defeated while he's riding a t-rex, is stopped for good and finally the ending is shown
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https://www.youtube.com/watch?v=ILL-_zjnMlI