The Grim Adventures Of Billy and Mandy Season 2 Episode 11 Five O' Clock Shadows Episode Title: Five O' Clock Shadows Episode Description: Grim is annoyed by Billy who thinks that a shadow is following him. Grim takes Billy and Mandy to the Shadows' World, where their opposites live. Grim tells them to do whatever they want, but to be back at 5 o'clock, when the portal to the normal world opens. Grim also warns Billy about the Door to Other Dimensions, but Billy opens it and a multitude of Billies come out and wreak havoc.