The Trap Door Sezon 1 Odcinek 24: Slightly Weird

Berk is looking for mushrooms for Him Upstairs. He tries to pick one and it bites him. Berk is furious and chases after it determined to catch it. The mushroom leads him all over the place, until eventually Berk catches up with him near a bog. The mushroom kicks him and Berk falls into the bog. Berk decides to give up the chase and sets off for home. He gets lost but eventually finds his way back and ends up climbing through the trap door. Boni sees Berk emerging from the door and is convinced it's a monster as Berk is covered in muck from his fall into the bog.