Professor Brausewein has built a time machine that catapults the Olchi children straight back to prehistoric times. There, they meet a little dinosaur who is searching for his mom. Of course, the Olchis want to help him! However, they quickly realize that life in prehistoric times is quite dangerous. Not only are there sinister lizards, but a greedy T-Rex is also after the dino baby. Will the Olchis be able to get the little one to safety before Brausewein brings them back to Schmuddelfing? An Olchi adventure by Erhard Dietl for children aged 6 and up.