Air-time legends: the longest-running TV series ever
'The Walking Dead' comes to an end after 11 seasons
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After 12 years, 11 seasons, and 177 episodes, beloved zombie series 'The Walking Dead' has come to an end. The finale aired on November 20 and saw many storylines tied up, while many others remained open. That is, of course, because multiple spin-offs have been announced, which meant that every time a character who is slated to star in a new series had their lives in supposed danger on the show, fans knew they'd turn out fine, thus the dramatic tension was cut. Still, the spin-offs are good news for viewers who aren't ready to let go of their favorite characters just yet.
Even though the show has an incredibly long legacy, it's not the only series out there that has been on the air for an impressively long time. Click through this gallery to see the world's longest-running TV shows.
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