Kevin Hart and Rebel Wilson participate in a karate class for an episode of "What the Fit." They claim to have backgrounds in karate, with Kevin saying he learned from books and Rebel revealing she studied JKA Shotokan karate. The instructor puts them through various exercises, including yelling "kiai" while performing moves, breaking wood with their palms, and fighting against black belts. In the end, Rebel is declared the winner and receives a yellow belt. The episode ends with Kevin and Rebel promoting the benefits of karate classes and encouraging viewers to subscribe to Kevin's YouTube channel.
Here are the key facts extracted from the text:
1. Kevin Hart is the host of the show "What the Fit."
2. Rebel Wilson is a guest on the show.
3. Rebel Wilson has a background in JKA Shotokan karate.
4. Kevin Hart has read karate books, including "Karate From Behind" and "Right Foot Up, Left Foot Down, One, Two, Hi-yah."
5. The duo visits a dojo to learn karate.
6. They learn how to tie karate belts and participate in a karate class.
7. Rebel Wilson is awarded a yellow belt for winning a karate competition against Kevin Hart.
8. Kevin Hart's comedy special "Laugh Out Loud" can be found on his YouTube channel.