【】

It's not like the producers of The Simpsonsare obsessed with continuity – in fact they play it rather fast and loose with the timeline on the show.

But, when executive producer Matt Selman spotted a pretty big continuity blunder on Wednesday, he thought it worth sharing on Twitter.

SEE ALSO:Richard Curtis highlights the importance of movies about people falling in love

"Maggie is in photo on wall behind Marge telling Homer she’s pregnant with Maggie," Selman wrote alongside a screen shot from episode 13 of the sixth season of The Simpsons.

Tweet may have been deleted

Fellow Simpsonswriter Al Jean was quick to respond to Selman's observation.

Tweet may have been deleted

Simpsonsfans chimed in and discussed who they felt was to blame.

Mashable Top StoriesStay connected with the hottest stories of the day and the latest entertainment news.Sign up for Mashable's Top Stories newsletterBy signing up you agree to our Terms of Use and Privacy Policy.Thanks for signing up!

Tweet may have been deleted

Jean joked that the continuity blunder had led to mass firings on the show.

Tweet may have been deleted

Other fans came up with theories as to what might be the reason for the mysterious Maggie photo.

Tweet may have been deleted

Tweet may have been deleted

Other observant fans pointed out that the exact same thing had actually happened before on the show.

Tweet may have been deleted

Tweet may have been deleted

And of course, a fan had the perfect Simpsons reference for the moment.

Tweet may have been deleted

But honestly, over the course of 30 seasons, there's bound to be a few slip ups.

---

Featured Video For You

---

'The Office' got a cartoon makeover thanks to this artist

---

TopicsThe Simpsons