S4·E19 Leonardo Lightens Up
Core
Aired September 29, 1990
Synopsis
A ray-gun makes Leonardo carefree and ignore his responsibilities. This leaves the Turtles defenseless and the city at the mercy of Maestro G Clef, a villain who destroys the city with music.
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Frequently Asked Questions
When did Season 4 Episode 19 of Teenage Mutant Ninja Turtles air?
Season 4, Episode 19 ('Leonardo Lightens Up') originally aired on September 29, 1990.
How long is Season 4 Episode 19 ('Leonardo Lightens Up')?
The episode follows the standard broadcast runtime for Teenage Mutant Ninja Turtles.
What happens in Teenage Mutant Ninja Turtles Season 4 Episode 19?
A ray-gun makes Leonardo carefree and ignore his responsibilities. This leaves the Turtles defenseless and the city at the mercy of Maestro G Clef, a villain who destroys the city with music....