All bosses in New Super Mario Bros & Newer Super Mario Bros Wii for Nintendo Wii. This video shows how to successfully defeat all bosses in both games. Thanks for watching! This channel features instructional & highly edited video game guides, walkthroughs, speedruns and other uniquely transformative videos. My own personal creative input, gameplay and editing are clearly added into each video to ensure that all videos adhere to YouTube's partner program guidelines. All gameplay is my own & is recorded and edited solely by me. Permission to upload each game was provided by the game publisher.