Conversation so far:
What role did Dick Grayson play in Teen Titans?
Dick Grayson establishes himself as the leader of the Teen Titans, a team of teenage superheroes.
Does Dick Grayson have super powers?
Dick Grayson is a prodigious natural athlete, expert acrobat, and aerialist possessing a peak level of agility and acrobatic skills.

Question: How many years did the show last?
Self-contained rewrite: How many years did the TV show Teen Titans last?