Aaron Epstein/HBO Warning: Major spoilers below if you have not seen the season 2 finale of "Barry." Bill Hader talked to Business Insider about the very dark season finale of "Barry." Hader, who along with starring also directed the finale, explained how some of the most memorable moments of the episode happened by accident and why this was the hardest episode for him to direct so far. Hader also explained why he felt bad for the makers of "Game of Thrones" and why people should put their energy in more meaningful things. Visit Business Insider's homepage for more stories. Warning: Major spoilers below if you have not seen the season 2 finale of "Barry."See the rest of the story at Business InsiderNOW WATCH: 16 clues that foreshadowed Arya's big moment at the battle of Winterfell in 'Game of Thrones'See Also:'Avengers: Endgame' editor reveals how Black Widow's huge scene was dramatically changedHBO's new Muhammad Ali doc tells the boxer's story in his own voice thanks to 4 years of archival diggingInside the editing of 'Avengers: Endgame,' which included drastic changes to Black Widow's big moment and the time-travel scenes