Luigi crashes with the Beanstar, Mario finds him, Rookie is fought again this time with birdie, Bowletta attacks in Bowser's castle and Mario and Luigi fly there
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https://www.youtube.com/watch?v=s4NMqn3X1iA
Mario and Luigi get super hammers from the Hammer bros, they take Princess Peach through Teehee valley to get to Little Fungitown(mushroom kingdom immigrant community) saving her from kidnaps along the way and defeating enemies including Trunkle
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https://www.youtube.com/watch?v=E4a5M4ngbqw
00:00 Intro
02:18 VS The Imp, Violet and Odd Ball
06:30 VS Dr. Faustus, Cleetus and Tormentor
10:12 VS Violet, Dr. Faustus and Mammoth
13:41 VS The Imp, Dr. Faustus and Mammoth
16:53 VS Tormentor, Cleetus and Oddball
20:20 VS Cain, Cleetus and Oddball
24:15 VS Judas
26:12 VS Marukka Final Fight
27:23 Ending and Credits
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https://www.youtube.com/watch?v=lPy5tmxkJOU