"Jr. Detective Tubby" Lulu discovers a message that appears all over town written in black crayon: ""Lulu Loves Tubby"". When she points this out to Tubby, he becomes Tubby the Detective to search the whole town to see who has a black crayon. After Lulu gives up, Tubby admits he's the culpret.
Elenco: Vanessa Lengies , Tracey Ullman , Justin Bradley , Ricky Mabe , Michael Yarmush , Bruce Dinsmore , Terrence Scammell , Dawn Ford , Michael Caloz , Pauline Little , Daniel Brochu , Jacob Tierney , Mark Camacho , Sonja Ball , Vlasta Vrána , Anik Matern , Ian James Corlett , John Stocker , Arthur Holden , Michael Rudder , Susan Glover , Rick Jones , Walter Massey .