20. Underwater Action & High-Altitude Drama

From great heights to the depths below: for a spectacular underwater shoot with star photographer Russell James, the models must impress in pairs. Next up is the breathtaking flying trapeze challenge, where the contestants are lowered from a height of ten meters—only to have to master a runway walk immediately afterward. Plus: who will land the coveted job at the Red Bull casting? Thomas Hayo joins Heidi Klum as a guest judge.