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Wissen macht Ah!

  • 2001-2026
  • 21 seasons
  • Documentary, Family, News

Wissen ist keine Schande, finden Clari und Ralph, und sorgen für fünffachen Wissenszuwachs: fünf Fragen, fünf Antworten, fünf Ah(a)-Erlebnisse.

Season 21 Episode Guide

4 Episodes 2026

Episode 2

In der BA(h!)n

24 mins

It begins with waiting. A long wait. Clarissa and Tarkan are sitting at a remote train stop—with no mobile signal. And the train is already half a day late. When one finally arrives, it doesn't seem to be the right one. It travels through strange places, like the deep sea. Will the two of them make it to the *Ah!* studio in time for the farewell? Even though they answer the show's five questions as usual, time is running out. How was Wi-Fi invented? Why does no one know exactly where eels reproduce? Why does my phone screen never stay clean? Why are emergency blankets so thin? Why does everyone have a different voice?

Episode 3

Pumpen

24 mins

Why does 21 degrees Celsius feel different in the summer compared to the winter? Why does firewood (in a fireplace) crackle and pop? Why does peppermint create a cold sensation in the mouth? Why do squirrels hide their food in so many different places? Why is an ice cream parlor called an "ice cream parlor" (in German, *Eisdiele*)? Welcome to the gym. Also Clarissa and Tarkan show off their physical prowess—because today, it's not just brainpower being put to the test, but muscle power, too. You can never load enough weight onto the barbell. While Clarissa and Tarkan chat about muscles, proteins, and the significance of Darwin's theory of the "survival of the fittest," they also find time to answer the show's five featured questions.

Episode 4

Du kommst hier nicht rein

24 mins

Why do some people get bitten by mosquitoes more often than others? Can AI be your friend? Why does working in groups sometimes lead to stress? Why do I sometimes find everything annoying? Why do people make a wish when an eyelash falls out? Today is the big station party. As stars of the show, Clarissa and Tarkan simply have to be there—but there's a problem right at the entrance: the bouncer. He won't let them in without an employee ID, and neither Tarkan nor Clarissa has one with them. They'll have to put their powers of persuasion to the test. Will they manage to convince the bouncer? While they're busy debating with him, they also take the time to answer the show's five signature questions.

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Episode 5

Ganz schön empfindlich

24 mins

Clarissa and Tarkan are feeling rather sensitive today. It's hot in the "Wissen macht Ah!" studio, Tarkan's shirt is scratchy, and opening a window to let in some air has sent everything flying into disarray. It's impossible for them to work like this. And where is that annoying high-pitched squeaking sound coming from? How can you try to stay relaxed when everything around you is in chaos? Could the right breathing exercise help? Tarkan and Clarissa put it to the test. * Plus, there are answers to the five questions featured in the episode: Why do we twitch when falling asleep? Just as you're drifting off into a relaxed sleep, your body suddenly twitches, causing you to jolt awake. It's annoying, but usually harmless. Nearly 70 percent of people experience these so-called "hypnic jerks"—those sudden twitches that happen as you fall asleep. But what exactly triggers them, and can they be prevented? Clarissa has the answer. Does a "gut feeling" actually exist? (Should you listen to your gut?) When do you get a "lump in your throat"? How do VR headsets work? What happens during a growth spurt?

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