All episodes Season 4 S04E19 1990-09-22 25 min 1980s Syndication

Teenage Mutant Ninja Turtles

Leonardo Lightens Up

TV Flash files “Leonardo Lightens Up” as hour 84 of 191 in the TV Flash guide — Teenage Mutant Ninja Turtles (1987–1996) on Syndication, season 4, episode 19, aired 1990-09-22, 25 min.

From the desk

How this hour is filed

This leaf is S04E19: listed hour 84 of 191 in the Teenage Mutant Ninja Turtles guide, hour 19 of 39 in season 4. It aired 1990-09-22 (25 min). The listed hour before it is “Slash - The Evil Turtle from Dimension X” (S04E18). Next is “Were-Rats from Channel 6” (S04E20).

Teenage Mutant Ninja Turtles — Leonardo Lightens Up (S04E19)

Catalog log

Broadcast listing — not a TV Flash recap.

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.

Viewer FAQ

Where does Leonardo Lightens Up sit in the Teenage Mutant Ninja Turtles guide?

S04E19 is listed hour 84 of 191 — hour 19 of 39 in season 4, season 4 episode 19.

When did Teenage Mutant Ninja Turtles S04E19 air?

Leonardo Lightens Up aired 1990-09-22 and is listed at 25 minutes.

Comics first or the 1987 cartoon?

The cartoon sanded Eastman/Laird into kid-friendly slapstick and became the voice most later versions copy. 1987 is the theme, the pizza, and merchandising as plot — franchise religion, not the grim comic.

In the series

Why this series still plays

Cowabunga as a business plan: four pizza-eating sewer mutants, a rat sensei, and a toy glut that owned late-decade Christmas lists. The cartoon sanded the Eastman/Laird comics into kid-friendly martial-arts slapstick and accidentally minted a franchise religion. The 1987 series is the voice, the theme, and merchandising as plot.

Cowabunga used to be a business plan, not a meme kit. Syndication, 1987 through 1996: four mutant turtles trained by Splinter battle Shredder and the Foot Clan — pizza, a rat sensei, and a toy glut that owned late-decade Christmas lists. The 1987 Teenage Mutant Ninja Turtles, from David Wise and Fred Wolf, sanded Eastman/Laird comics into kid-friendly martial-arts slapstick: Cam Clarke's Leonardo, Townsend Coleman's Michelangelo, Barry Gordon's Donatello, Rob Paulsen's Raphael. One hundred ninety-three…

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Also in season 4

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