Here is a concise summary of the YouTube video transcript:
**Title:** Last to Leave the Bathroom Challenge
**Objective:** Be the last person to remain in the bathroom to win $1,000.
**Summary:**
* Multiple contestants participate in a challenge where they must stay in a bathroom for an unknown duration.
* Various challenges and games are played to eliminate contestants, including an ice bath, dart-throwing, and trivia questions.
* Contestants are eliminated for losing challenges or voluntarily leaving the bathroom.
* Notable moments include a contestant drinking toilet water for a reward, a prank with a fake feces, and a extremely smelly situation after one contestant uses the bathroom.
* Ultimately, **Ben** is declared the winner, marking his first time winning a challenge, after surviving a final trivia question challenge under a controlled shower head.
Here are the key facts extracted from the text, numbered and in short sentences:
1. **Challenge Theme**: The challenge is "Last to Leave the Bathroom".
2. **Prize**: The last person to leave the bathroom wins $1,000.
3. **Initial Participants**: Multiple participants, including Ben, Pearson, Jen, Andrew, Frank, Lexi, and Brent.
4. **First Challenge**: An ice bath challenge; the first person to leave the ice bath (Pearson) has to leave the bathroom.
5. **Smell Incident**: Jen causes a severe smell in the bathroom, affecting others.
6. **Toilet Water Challenge**: Andrew drinks toilet water in exchange for pizza.
7. **Monopoly Game**: Boys play Monopoly in the closet while in the challenge.
8. **Prank Involvement**: A prank involving a fake piece of poo is set up.
9. **Darts Challenge**: Participants play darts; the person furthest from the bullseye (initially unnamed, later revealed to be the narrator in a context that suggests a mistake in the text) has to leave.
10. **Final Challenge**: Brent and Ben stand under a shower head, answering questions about the host; incorrect answers result in being showered and eliminated.
11. **Winner**: Ben is announced as the winner of the "Last to Leave the Bathroom" challenge.
12. **Video Conclusion**: The video ends with a call to like, subscribe, and links to other participants' channels.