Billy Gets An "A" / Yeti or Not, Here I Come

S6, E3: "Billy Gets an 'A'" When the unthinkable happens, the entire Universe is turned on its ear, and its up to Grim and Mandy to clean that ear up! "Yeti or Not, Here I Come" Grim discovers that he forgot to reap the abominable snowman, and heads to Nepal to rectify the situation. But it turns out that the yeti has other plans...