All of the final boss fights in the New Super Mario Bros. Series played 2 player co-op except for New Super Mario Bros. DS. Here are the time stamps for each boss.\r<br>\r<br>00:01 - New Super Mario Bros. (DS) - Final Boss\r<br>01:21 - New Super Mario Bros. Wii - Final Boss (2 Player)\r<br>07:00 - New Super Mario Bros. 2 - Final Boss (2 Player)\r<br>12:00 - New Super Mario Bros. U - Final Boss (2 Player)\r<br>18:02 - New Super Luigi U - Final Boss (2 Player)
