Teenage Mutant Ninja Turtles (TV Series)

Leonardo Versus Tempestra (1990)

Barry Gordon: Donatello

Quotes 

• Michelangelo : [Tempestra has flooded the sewer, trapping Donatello, Raphael and Michelangelo in the lair]  Dude, we're aquatic creatures, remember? How come we need a diving bell?

  Donatello : Because even a turtle can't stand 3000 pounds of pressure per square inch.