It's common for TV shows to feature a stupid yet lovable character who is often the butt of the joke. Sometimes, things get a bit confusing as these individuals get progressively dumber and dumber as the seasons go on. They go from being a beat behind to having zero understanding of the most basic-level situations. Should we laugh or pity these poor fools? It's hard to tell, right? Keep reading to find out who made it on our list of TV characters who got dumber over time.