There is no book four. Unless you're talking about the spoof shown at SDCC08.
Aang and Katara kissing is the last scene in Book 3.
there is no book 4
Aang and Katara DONT get married in the Legend of Aang! they would probabley get married before The Legend of Korra because they had Tenzin. there might be a flashback of Aang and Katara in The Legend of Korra i dont know yet
it is on episode 10 of book 3..
no it wont because that happens in book 3 and the movie is only book 1
You can't. It's a cartoon. Go read a book!
Aang accidentally burns Katara with his firebending in the book three episode "The Firebending Masters" (Season 3, Episode 13) of Avatar: The Last Airbender.
If you are looking for the one where they pose as 'Wang Fire' and 'Sapphire Fire' it is book 3 :The headbandIn book three, Sokka and Katara are Mr. And Mrs. Fire. Pretending to be Kuzon (aangs) prents in The headband
That Episode is in: Book 1 Water Chapter: 14 Titled: The Fortuneteller
Avatar: The Last Airbender ended with Book 3.
Well, I think it's Book 3-Fire, Episode 56-The Southern Raiders
No, Katara never has a baby in Avatar: The Last Airbender but she does help deliver one named Hopein episode 12, Book two:Earth, The Serpent's Pass. In the avatar series called The Legend of Korra, Katara is around her eighties but she and Aang does have three children, (who are adults in this show), called Bumi, Tenzin and Kya.