Nick Knack
- Episode aired Apr 14, 1990
- TV-PG
- 22m
A crazed genius seeks revenge on Superboy for being imprisoned after he develops a suit that steals away the superhero's powers.A crazed genius seeks revenge on Superboy for being imprisoned after he develops a suit that steals away the superhero's powers.A crazed genius seeks revenge on Superboy for being imprisoned after he develops a suit that steals away the superhero's powers.