The Simpsons Season 21 Episode 4 | Watch The Simpsons Treehouse of Horror XX

Watch The Simpsons season 21 episode 4 – In the next The Simpsons s21e04, It’s time for the twentieth anniversary of THE SIMPSONS annual Treehouse of Horror. Prepare to watch the most wonderful time of the year Halloween special, as the comedy continues in this week’s The Simpsons season 21 episode 4.

“Treehouse of Horror XX” is the title of The Simpsons season 21 episode 4 (s21e04). The scheduled airing date of The Simpsons season 21 episode 4 is on October 18, 2009. I know many of the fans are already excited to watch the latest installment of the series. While we are waiting for the full episode to air, here’s The Simpsons Treehouse of Horror XX synopsis.

This year’s triple threat of Halloween hilarity sees Moe using Homer’s blood for beer, Lisa becomes livid with Miss Hoover, and in a series of homages to classic Hitchcock sets out for deadly revenge, and Krusty Burger’s latest sandwich transforms everyone in Springfield becoming zombies.