The Secret World of Alex Mack is an American television series that ran on Nickelodeon from October 8, 1994 to January 15, 1998, replacing Clarissa Explains It All on the SNICK line-up. It also aired on YTV in Canada, and was a popular staple in the children's weekday line-up for much of the late '90s and early 2000s on the Australian Broadcasting Corporation. Repeats of the series aired in 2003 on The N, but it was soon replaced there. The show is currently not on the air in the United States. The series was produced by Thomas Lynch of Lynch Entertainment and was produced by RHI Entertainment, Hallmark Entertainment and Nickelodeon Productions. For home video releases, it was released under the Hallmark Home Entertainment label, making it the first Nickelodeon show not to be released with Paramount Home Video. Alex Mack is an ordinary teenage girl, living with her parents and older sister in the corporate town of Paradise Valley. After her first day of junior high school, while...