Doc Martin: Season 1, Episode 4

1 - 4: The Portwenn Effect

Louisa tries to help one of her pupils, a bright 10-year-old who finds it hard to fit in and responds to stress by running away from home. Mark seeks advice on how to remedy his lack of success with the opposite sex, while Martin encounters a delusional park ranger with an unusual imaginary friend - a giant squirrel called Anthony.