The series “Girl Detective Agatha Mystery.”

Endowed with amazing instincts and a phenomenal memory, Agatha Mystery dreams of becoming a writer. But that’s in the future, but for now she’s just an excellent detective! Together with her hapless cousin Larry, a detective school student, she travels the world to solve the most perplexing mysteries. And they are helped by a devoted butler, a mischievous Siberian cat and many eccentric relatives.

Trouble in Hollywood Producer Robert Morrison and his film company are filming an ominous detective story called “Fatal Mistake.” But strange incidents happen every now and then on the set, and once the actors even received threatening letters. Mystery's cousins, accompanied by a very unusual uncle, are trying to find out who wants to interfere with the filming of this film...