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Teenage Mutant Ninja Turtles S4E19 — Leonardo Lightens Up

6.4

Teenage Mutant Ninja Turtles•Season 4•Episode 19

Leonardo Lightens Up

6.4/10 · 143 votesSep 29, 199022 min

Ranked #38 of 39 in Season 4•−0.6 vs season avg

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.

Written byDan DiStefano

Previous episodeE18 · Slash the Evil Turtle from Dimension X Next episodeE20 · Were-Rats from Channel 6

Seasons10

All 1 2 3 4 5 6 7 8 9 10

Season 4 Episodes39

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E19 6.4Now viewing

Leonardo Lightens Up

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Cast8

Cam Clarke

Cam Clarke

Leonardo (voice)

Barry Gordon

Barry Gordon

Donatello (voice)

Townsend Coleman

Townsend Coleman

Michaelangelo (voice)

Rob Paulsen

Rob Paulsen

Raphael (voice)

James Avery

James Avery

Shredder (voice)

Peter Renaday

Peter Renaday

Splinter (voice)

Renae Jacobs

Renae Jacobs

April O'Neil (voice)

Pat Fraley

Pat Fraley

Krang (voice)

Crew1

D

Dan DiStefano

Writer

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Episode Summary

"Leonardo Lightens Up" is episode 19 of Teenage Mutant Ninja Turtles season 4. It scored 6.4/10 from 143 votes, ranking #38 of 39 episodes this season (season average 7.0). Written by Dan DiStefano, it aired on September 29, 1990.

Next: E20 · Were-Rats from Channel 6 Best of Season 4