Fox has brought online the trailer for this Sunday’s LEGO-themed episode of “The Simpsons.”

“Brick Like Me” marks the 550th episode of “The Simpsons,” now the longest-running scripted show in television history.

Officially description:

Homer wakes up in a world where his family and everyone in Springfield are made of LEGOs. Can he “put together” how he got there and figure out how to get home before he’s trapped in a world of bricks forever?

Featuring the voice talents of Dan Castellaneta, Julie Kavner, Nancy Cartwright and Yeardley Smith, “Brick Like Me.”

Will air this Sunday, May 4 at 8:00pm ET/PT.

http://www.youtube.com/watch?v=AYGSpOfIr9Y