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.
| Title | Leonardo Lightens Up |
|---|---|
| Genres | Action & Adventure Animation Comedy Kids |
| Release Date | 1990-09-29 |
| Episode Runtime | 00 Hours 22 Minutes |
| Season Number | 4 |
| Episode Number | 19 |
| Production Companies | Murakami Wolf Swenson, Fred Wolf Films, Surge Licensing |
