Join the news democracyWhere your votes decide the Top 100
An executive producer for The Simpsons noticed a continuity error in an episode of the show… and pointed it right out.
Mat Selman shared a screen grab of the season six episode called 'And Maggie Makes Three', in which a very pregnant Marge tells Homer that they’re going to have another baby – Maggie.
Except there’s already a photograph of Maggie in a frame on the top right-hand corner of the wall. Even though she hadn't been born yet.
More: Matt Groening confirms one of the oldest Simpsons fan theories about Michael Jackson
More: An artist imagined Homer Simpson as a real human and it's terrifying