Watch The Simpsons Online: Season 33 Episode 21

at .

What did Grampa hide from his entire family?

On The Simpsons Season 33 Episode 21, a face from the past returned and the bombshells shocked the family.

Bonding With Bart - The Simpsons

As a hamburger past threatened to derail everything, Grampa had to make a big decision about his past and future.

Elsewhere, Marge tried to make sense of a sudden epiphany.

Use the video above to watch The Simpsons online right here via TV Fanatic.

Catch up on all your favorite shows and reviews and join in the conversations with other fanatics who love TV as much as you.

TV Fanatic is your destination for the latest news, spoilers, reviews, and so much more!

Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.

Show Comments
Tags: ,