Momo

Original title: Momo oder Die seltsame Geschichte von den Zeit-Dieben und von dem Kind, das den Menschen die gestohlene Zeit zurückbrachte.

Also known as The Grey Gentlemen.

Momo is very intelligent and is not easily fooled by the two men who come to town telling people to save time and deposit it in the bank. With the help of her friend, Professor Hora, and a turtle, she is determined to find out what they are doing with time.