sentences:  The movie is considered a cult classic in Russia and was included in various lists of the best animated films and science fiction films.A shortened novelisation of the film was written by Bulychev himself; a diafilm and a number of video games were based on "The Mystery of the Third Planet;" and spiritual successor film "Alice's Birthday" was released in 2009.Captain Zelyonyy (Green), Professor Seleznyov and his daughter Alisa Selezneva set out from Earth aboard the starship "Pegas" (Pegasus), seeking out new animal species for the Moscow Zoo.