Bibi and Tina

Aunt Hedwig, from Canada, has announced a celebration of her birthday at Falkenstein Castle. Time to find a superb chef! Marie de Remoulade appears out of nowhere and — with her wondrous cooking skills — convinces Count of Falkenstein right away that she’s the one for the job. Bibi, Tina and Alex are also delighted by the idea - until suddenly Aunt Hedwig's precious necklace disappears. When Marie is also no longer to be found, Bibi and Tina set off on a thrilling search.

This summer is really hot, everyone is short tempered. When Bibi, Tina, Alex and Freddy find an old treasure map, they get into an argument about it. Because the boys want to look for the treasure on their own. But Bibi and Tina won't put up with that. A race for the treasure begins: boys against girls. Which team will win?

Mrs. Martin's old school friend - a countess now living in Spain - visits the Martins Farm. She brought her 15-year-old son Carlos with her. However, he doesn't seem to like the riding school at all. When Bibi and Tina show him his room, the spoiled Carlos complains about everything. Will that change?

While Tina is studying for an exam with Alex, Bibi becomes friends with Connie. What a surprise that she has just come from Hungary and is supposed to say hello to Bibi from Mikosch! He talked so much about the Martins Farm and Bibi that Connie wanted to spend the rest of the holidays here. But why didn't she give Bibi the letter her wrote for her?

“Nowhere is as beautiful as Martins Farm,” assures Bibi, who loves spending summer vacations at the idyllic ranch with her best friend, Tina, and her beloved mare, Sabrina! But a shadow is cast over their summer fun when a big money contractor, Jake Overland, shows up on the farm. Convinced he has finally found the right place to build his luxury holiday resort, Count Falko von Falkenstein refuses to sell him the property, until a mysterious document suddenly appears. The clock is ticking as the fate of Martins Farm hangs in the balance.

Bibi and Tina don't like this new vet in her "fine" white coat. Apparently she doesn't know anything about animals, otherwise the foundling dog wouldn't have grabbed her arm. When she orders a muzzle, Bibi and Tina are really angry. But then the two are amazed: the new Vet is a superb rider!

Completely unexpected, Bibi's witch friend Sheba Wartnose ends up on the Martinshof with her motor broom. And one is safe from her careless witchcraft. This annoys Mrs. Martin and she expels the girl from the Farm. Bibi and Tina are somehow sorry about all this. Does Sheba also feel guilty?

Bibi and Tina discover two beautiful Lipizzaners in an abandoned horse truck. Mrs. Martin quickly found the driver of the transporter who is supposed to accompany the dressage horses to a show. But something is wrong with him. He is acting strange and is on the phone with a mysterious stranger.

Bibi and Tina got a whole truckload of pumpkins. But what are they going to do with it? When they meet the nice Mill Farm holiday children, Bibi has an idea: a huge end-of-holiday pumpkin festival! But there is one problem, the holiday children are leaving soon and the preparations will probably take a few days.