Bibi and Tina, Internship with the Vet

Bibi and Tina are given the chance to do an internship with Falkenstein's vet, Dr. Robert Squirrel. Things go well at first, but then the girls begin to slack off and the vet sends them back home. But when he finds himself in a tight spot, the girls want to prove that they can be helpful after all. Will they be able to?