It's the festival of Holi and the people of Bharatnagar are celebrating. Debu visits his friends Chinti and Chintu to play Holi, but they trick him and he gets covered in black color. Meanwhile, Timnasa plans to poison the 'Thandai' that will be served to the people of Bharatnagar. Vivaan, who is aware of Timnasa's plan, tries to stop her by stealing her magical water gun. However, the water gun is later found by someone else, who plans to use it to play a prank on Chintu. Ananya, who is still angry with Debu for leaving her among thieves, initially refuses to forgive him but eventually does after he gives her 'Gujias' made by Ms. Karuna.
Here are the key facts extracted from the text:
1. The scene is set during the Holi festival.
2. Mr. Debu is missing his grandma.
3. Chinti and Gopu are characters in the scene.
4. Mr. Mishra has a house.
5. Ananya is a character who has met with an accident and is on bed rest.
6. Ms. Karuna has made "Gujias" for Ananya.
7. Baalveer's mom is a character who is offered a drink.
8. Timnasa is a character who has prepared a poisonous drink.
9. Nagini's poison is mentioned as a plot element.
10. The Masked Man is a character who is expected to appear.
11. Vivaan is a character who has a magical water gun.
12. Chintu is a character who wants to play Holi with the magical water gun.
13. The people of Dark Realm are mentioned as a plot element.
14. The children of Bharatnagar are celebrating Holi.
15. Ananya and Debu have a complicated past.
16. Debu has brought "Gujias" to Ananya as a peace offering.
17. Ananya is initially angry with Debu but eventually forgives him.
18. The magical water gun is a key plot element.
19. Timnasa wants to serve a poisonous drink to the people of Bharatnagar.
20. Vivaan is determined to stop Timnasa's plan.
Note: I've avoided including any opinions or subjective statements in the extracted facts, sticking only to objective information that can be verified from the text.