The Real Ghostbusters: 3x10
The Grundel
A young boy asks the Ghostbusters about a strange creature he has seen talking to his brother. Egon soon realizes that the boy described a Grundel, a creature who appears to young kids and turns them bad, until they become Grundels themselves.
3 - 1Baby Spookums Sep. 12, 1987
3 - 2It's a Jungle Out There Sep. 19, 1987
3 - 3Slimer, Is That You? Sep. 26, 1987
3 - 4The Bogeyman Is Back Oct. 03, 1987
3 - 5Once Upon a Slime Oct. 10, 1987
3 - 6The Two Faces of Slimer Oct. 17, 1987
3 - 7Sticky Business Oct. 24, 1987
3 - 8Halloween II 1/2 Oct. 31, 1987
3 - 9Loathe Thy Neighbor Nov. 07, 1987
3 - 10The Grundel Nov. 14, 1987
3 - 11Big Trouble With Little Slimer Nov. 21, 1987
3 - 12The Copycat Dec. 05, 1987
3 - 13Camping it Up Dec. 12, 1987