Rainbow Brite "The Mighty Monstromurk Menace" 1983 Hallmark Cards, Inc. VHSSaturday morning cartoons is where it was at in the 80's especially with this 1983 Hallmark Cards, Inc. Rainbow Brite "The Mighty Monstromurk Menace" Cartoon VHS Approximate Running Time: 48 minutes. ***We watch all VHS and DVDS to ensure they play properly*** This Rainbow Brite VHS movie played mostly perfect. Note: We are not responsible if your player does not play through properly. CONDITION: There is some moderate wear to the clamshell from age,