The Nickelodeon Mega Music Fest

Hosted by actor/comedian John Leguizamo, Nickelodeon's Mega Music Fest will feature celebrities like Colbie Caillat, Wyclef Jean, and The Roots performing never-before-seen duets with Dora the Explorer, the cast of 'Yo Gabba Gabba!', and Kai-Lan, plus special appearances by The Laurie Berkner Band, The Fresh Beat Band, and even a few surprise cameos. John Leguizamo will need YOUR preschooler's help to make sure the show goes on!

• Michael DempseyDirector

• John LeguizamoHimself
• Caitlin SanchezDora Marquez (voice)
• Donovan PattonJoe/Bot (voice)
• Jon BeaversTwist
• Thomas HobsonShout
• Shayna RoseMarina
• Yvette Gonzalez-NacerKiki
• Laurie BerknerHerself
• Justin BieberHimself
• Phil McGrawHimself
• Colbie CaillatHerself
• Wyclef JeanHimself