: Mandy and Grim enter the Annual Endsville Go-Kart Competition anyway, with Grim himself serving as Mandy's "kart".

: Usually paired with "Son of Nergal" and "Sister Grim".

The filename refers to its production or broadcast position. While often listed as Season 1, Episode 7 on platforms like HBO Max and IMDb , it is identified as Episode 20c in the original Grim & Evil production order. Episode Summary

: Billy and Irwin exclude Mandy and Grim from their go-kart build, claiming a girl and a skeleton cannot participate.

S1 E20c - Go-kart 3000.mp4 - Google Drive Apr 2026

: Mandy and Grim enter the Annual Endsville Go-Kart Competition anyway, with Grim himself serving as Mandy's "kart".

: Usually paired with "Son of Nergal" and "Sister Grim".

The filename refers to its production or broadcast position. While often listed as Season 1, Episode 7 on platforms like HBO Max and IMDb , it is identified as Episode 20c in the original Grim & Evil production order. Episode Summary

: Billy and Irwin exclude Mandy and Grim from their go-kart build, claiming a girl and a skeleton cannot participate.