1. The Watchmen: A Graphic Novel:
* This is the original source, a 12-issue comic book series created by Alan Moore and Dave Gibbons, published by DC Comics in 1986-1987.
* It tells the story of a group of masked vigilantes in an alternate 1985 where superheroes are outlawed. The story explores themes of heroism, vigilantism, and the nature of justice.
* It's considered one of the most influential graphic novels ever written and won multiple awards.
2. The Watchmen: A Television Series:
* This is a 2019 HBO series based on the original graphic novel.
* It takes place 34 years after the events of the comic and features a new cast of characters while remaining true to the themes and world established by Moore and Gibbons.
* The series explores themes of race, class, and political extremism, and it has been critically acclaimed.
To be more specific, tell me what you are interested in, and I can provide more details about the Watchmen you are asking about!