Today's guests are Timothy Owl and Mavis Frog, both of whom are nocturnal. So Stinky decides to dim the lights in the studio to accommodate them. Unfortunately, Jake isn't nocturnal, so he has a hard time staying awake.
When Jake the Polar Bear mentions that their guests being vicious, Stinky thought Jake had invited a lion and a tiger only to learn that the guests are actually a grasshopper mouse and a stoat.