Arrow
There are plenty of reasons to think that this CW show would have a long time on the air. Unfortunately, we were all wrong to have been so complacent. The show failed to live past its eighth season.
Arrow
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Law & Order: SVU
While Peter Stone is no longer going to be on the show, Law & Order: SVU is here to stay. It was even picked up for the 21st season. This means that it is now the longest-running primetime live-action show.
Law & Order: SVU