S1, E4: "The Mystery of the Disappearing Pie" When Pig's pie for Bear goes missing, it's up to Detective Sheep to follow the letter clues and solve the mystery of the disappearing pie!"Duck's Family Reunion" Because they have a similar sounding name, Duck mistakes Truck for a long-lost relative! Frog is a bit ruffled at the epidemic of silliness going around, but ends up saving the day for Duck and his word 'family'.