Uninvited Guests

S2, E4: One day Pettson's potato patch comes under attack from some rare demoiselle cranes. This invasion attracts the attention of another unwanted visitor, Hillevi the bird watching enthusiast. Pettson is not keen on having his potato patch ruined by the birds, or on having any of Hillevi's bird watching friends trample over his farm. He decides that something must be done.