Yes, there's already a 23 season
19
The Simpsons "Nightmare on Evergreen Terrace" (A parody of Nightmare on Elm Street) is the middle part of Treehouse of Horror VI which is Season 7 episode 6
Season 20
The Simpsons is currently on hiatus and will return with a new season in September 2015.
'Bart Wars' is not an episode of The Simpsons, it's a 112 minute DVD.
Of Course, they look taller and older :)
Itchy and Scratchy and Marge.
19
The 7th Season
Season 13 aired from November 6th 2001 to May 22nd 2002 - The DVD/Blu-ray was released August 24th 2010 (R1) September 20th 2010 (R2) December 01st 2010 (R4)
season 20 because that was the season when the simpsons became in high definition
In 2015 should be the final year the Simpsons will be a show seeing that it started since the 80s and I think 2015 will have season 26 as its final season and the the Simpsons will not be on anymore!
i say season 6
Yes
No. As of Season 25.
Sideshow Bob appeared in Season 26's The Simpsons Guy & Blazed & Confused.
Cody's favourite season is Summer