The Secret World of Alex Mack is an American television series, that was aired on Nickelodeon from 1994 to 1998.
The series was aired in Latin America on Fox Kids, (1997 to 2000), it was dubbed Latin Spanish in Mexico, titled as "El mundo secreto de Alex Mack", but only can find the videos in YouTube and Dailymotion, but the first episode from the 2nd season (in 2 parts) and the episode clips and openings from the season 1, 2 and 3