The summary is:
This is a video transcript of a prank where Lucas, a YouTuber, tricks his sister Giovana into thinking that he threw her doll and his doll from the terrace into the pool. He uses a secret passage to switch the dolls with ones that have voice mechanisms and makes her do various challenges to save them. He reveals the prank at the end and promotes his new channel.
Here are the key facts extracted from the text:
1. The speaker's name is Lucas.
2. Lucas has a brother who trolls him.
3. Lucas is seeking revenge on his brother for past pranks.
4. Lucas is using a doll to set up a prank.
5. The prank involves throwing the doll into a pool.
6. Lucas has set up a camera to record the prank.
7. Lucas has enlisted the help of someone named Jéssica to assist with the prank.
8. Lucas is trying to convince someone named Giovana to subscribe to his YouTube channel.
9. Lucas has created a new YouTube channel called Roxy TIM.
10. The channel is targeted towards pre-teens.
11. Lucas has set up a series of challenges for Giovana to complete.
12. The challenges include jumping rope, drinking a glass of water, and saving a doll from a pool.
13. Lucas's doll has a voice mechanism that can be activated.
14. Lucas has set up a secret passage to help with the prank.
15. Lucas is encouraging viewers to like and subscribe to his channel.