Conversation so far:
how many episode of game of thrones are left
The last episode of Game of Thrones aired on May 19, 2019
how many episodes long is game of thrones
During the course of the series, 73 episodes of Game of Thrones aired over eight seasons.
how many episodes does season 8 of game of thrones have
Season 8 of Game of Thrones has six episodes

Question: when did the series premiere
Self-contained rewrite: when did game of thrones premiere