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,
Channel 4 in the United Kingdom and
NHK in Japan, and was a staple in the children's weekday line-up for much of the mid-to-late 1990s on the
ABC. Repeats of the series aired in 2003 on
The N, but it was soon replaced there. The series was produced by Thomas Lynch and John Lynch of Lynch Entertainment, produced by
RHI Entertainment,
Hallmark Entertainment, and Nickelodeon Productions and was co-created by Tom Lynch and Ken Lipman.