A possible concise summary is:
The video is about revealing some secrets of the main characters of various animated series, such as Family Guy, Avatar, Masha and the Bear, SpongeBob, and Gravity Falls. The video also includes a promotion for a cloud gaming service and asks the viewers to like and comment.
Here are the key facts extracted from the text:
1. The Korea Superconducting Tokamak Advanced Research (KSTAR) facility achieved a nuclear fusion reaction at over 100 million°C for 30 seconds.
2. Family Guy's character Stewie is understood by teenagers in the show, but adults often ignore his words.
3. In episode 16 of season 12 of Family Guy, Stewie mocks his father, indicating that his parents can understand him.
4. The series creator stated that everyone in the family understands Stewie, but Lois and Peter choose to ignore him.
5. Ursa from Avatar was forced to marry the prince of the Fire Nation because she is the granddaughter of the previous avatar's hand.
6. Ursa offered a plan to save her son Zuko from being killed by Ozai in exchange for her leaving the palace forever.
7. Ursa changed her appearance and gave up her memories to live without regrets with the help of a local forest spirit.
8. Zuko and Azula find their mother, and the forest spirit returns Ursa's face and memory.
9. Masha from Masha and the Bear lives in a house located between Moscow and Beijing, with her family residing in Moscow.
10. Masha's parents inadvertently left her in the house in the forest, but she adapted to life there.
11. Chester's father from The Fairly OddParents wore a bag on his head due to shame from being labeled the worst baseball player as a child.
12. Bucky from The Fairly OddParents revealed his face for the first time in the series, showing he is actually handsome.
13. Phineas from Phineas and Ferb puts on T-shirts despite his large triangular head, as shown in their full-length film.
14. Samurai Jack did not age after 50 years due to being sent into the future by Aku, linking his life's time flow to Aku's immortality.
15. The comic book seller from The Simpsons is named Jeff Albertson but is commonly called "Comic Book Guy."
16. SpongeBob SquarePants' underwater phenomena like fire and showers are explained by scientific concepts such as salt lakes and chemical impregnation.
Please let me know if you need any more details or further clarification on any of these points!