title: List of Buffy the Vampire Slayer episodes
context: Buffy the Vampire Slayer is an American television series created by Joss Whedon, which premiered on March 10, 1997. It concluded on May 20, 2003, after seven seasons with 144 episodes in total, plus an unaired pilot episode.
question: How many episodes does Buffy the Vampire Slayer have?
answers: 144 episodes