Což takhle dát si špenát (in English: "How About a Plate of Spinach") is a 1977 Czechoslovak comedy science fiction film directed by Václav Vorlíček. The film was based on a script by his trusted collaborator Miloš Macourek. The title song, with lyrics by F. R. Čech, is sung by Jiří Schelinger. Actress Iva Janžurová played a dual role in the film, portraying both František Liška's wife, Libuše, and his daughter, Marcelka. The creators initially wanted to make this film before "How to Drown Dr. Mráček" (1974), but received a message from Barrandov studios: "serious projects first, and then you can make your silly comedies.