Heidi is a 26-minute German-Swiss television series directed by Tony Flaadt after the novel of the same name by Johanna Spyri, and aired from 13 September 1978 to 17 December 1978 on the Swiss channel SF DRS and from January 1979 on the German channel ZDF.In France, the series was cut into thirteen 52-minute episodes and aired from 17 December 1978, on Sunday afternoon on Antenne 2, and was re-released in 1982 and 1984 on Antenne 2 on the Récré A2.