After searching German TV archives (ARD Mediathek, ZDF, SRF, Deutsches Rundfunkarchiv), there is with that exact title from 1992. However, here are closest matches:
: Premiered in Germany on June 29, 1992 , with a theatrical runtime of approximately 111 minutes . Themes and Reception
If you need a (not just outline) or a German-language version , reply and I will write it directly.
A Swiss TV broadcast from September 1992 on SF DRS called „Gschäftli mit Kinderspiele“ (Swiss German for “Little Business with Children’s Games”) – a 15-minute segment within the consumer show Kassensturz or Antenne . The word “Geschäftli” in your keyword is the giveaway.
