In this episode there is a similar scene like in the TV movie
Tierärztin Dr. Mertens (2003): Jonas Mertens (
Ludwig Zimmeck) and Rebecca Lentz (this episode:
Elisabeth Böhm, TV movie:
Fabienne Haller) are sneaking through the personnel entrance of the zoo without the permission of their parents. And then the other zoo visitors notice astonished that there are two children in a dangerous lion area. Then their parents rescue the kids.