What if Nickelodeon cartoons were theatrical cartoons in the 1970s

What if Nickelodeon cartoons were theatrical cartoons in the 1970s? This may be what what it could have been.

SpongeBob SquarePants

 * as SpongeBob SquarePants
 * Mel Blanc as Patrick Star
 * as Squidward Tentacles and Eugene H. Krabs
 * as Sandy Cheeks
 * Daws Butler as Sheldon Plankton
 * as Karen Plankton

Rugrats

 * as Tommy Pickles
 * as Chuckie Finster
 * Janet Waldo as Phil and Lil DeVille
 * as Angelica Pickles

The Fairly OddParents

 * as Timmy Turner
 * as Cosmo and Mr. Turner
 * Janet Waldo as Wanda and Mrs. Turner
 * as Jorgen Von Strangle
 * Mel Blanc as Denzel Crocker
 * as Vicky

Rocko's Modern Life

 * as Rocko the Wallaby
 * Mel Blanc as Spunky and Heffer Wolfe
 * Paul Winchell as Filburt Turtle
 * as Ed and Bev Bighead