Das Haus der Krokodile (roughly translated as House of Crocodiles) is a 1976 German children's television miniseries based on the 1971 mystery novel by . Directed by , and starring Tommi Ohrner, the six-part miniseries premiered on the ARD on February 22, 1976.
Playing alone one night while his parents are on vacation, twelve-year-old Victor Laroche (Tommi Ohrner) glimpses a mysterious masked man behind him in the mirror and soon begins to uncover a mystery surrounding the death of a girl named Cecilia who fell over a stair railing in the house 20 years earlier. Although not entirely convinced of his story, Victor's sisters Cora () and Louise () agree to help him investigate the girl's mysterious death.
With the help of an elderly uncle who was Cecilia's father () and an old friend of Cecilia's (), the Laroche children piece together the mystery of the death of their cousin, the unknown man in the mirror, and a little leather crocodile they find with strange gleaming eyes.
In October 2011 it was announced that a feature film adaptation of the story was being filmed. The film ' was released on March 21, 2012 and starred as Victor and his real-life siblings and as Cora and Louise. Tommi Ohrner, who played Victor in the original series, also appeared in the film, this time in a cameo role as Victor's father.