Watch The Secret World of Alex Mack Season 3 Episode 23 full movie online free in HD with English subtitles – no download needed.
The Secret World of Alex Mack: While out racing bikes in the woods, Ray and Alex find a recluse who lives in a treehouse. He turns out to be one of the original GC-161 scientists from 1978. Vince and Lars learn of the existence of the scientist and Alex, Annie and Ray rescue him from the plant's goons. But before they do, someone finds out Alex's long kept secret.