The Mickey Mouse Club is back for a new generation. Eight new Mouseketeers are jumping into the digital age. Everything they do is posted directly to Facebook and Instagram. The Mickey Mouse Club debuted in 1955 with original Mousketeer Annette Funicello. The show was last on TV back in 1994, launching the careers of Justin Timberlake, Britney Spears, Christina Aguilera and Ryan Gossling.