New Super Mario Bros. Wii Final Bowser Battle + Ending

New Super Mario Bros. Wii - Final Boss (Bowser Battle & Ending + Credits) - The Final Boss Fight For New Super Mario Bros Wii on World 8 - Level: 8-Castle . Enjoy our playthrough of the final Bowser boss fight of New Super Mario Bros U! Make sure to stick around for the ending and credits . New Super Mario Bros. Wii 100% walkthrough part 19 (World 8). This video shows how to get all of the star coins in level 8-C. This video also shows the final . All of the final Boss fights and endings from the entire New Super Mario Bros. Series. This includes the final Bowser boss fights from New Super Mario Bros.