Ingrid Thurnher

Klein gegen Groß – Das unglaubliche Duell is a family game show that has been broadcast on the first channel since 2011, on ORF 1 since March 2017 and on SRF 1 since November 2020. The format is produced by i&u TV. Kai Pflaume acts as host and moderator.

The criminal psychologist Richard Brock teaches at the University of Vienna. He used to work as a psychologist until his wife took her own life and he lost his license on suspicion of incorrect treatment. In the meantime he has developed a reputation as a particularly good interrogation specialist and is therefore called in by the police in special cases.