CSI is one of the longest-running shows ever, with a host of spin-offs that have come and gone over the years. We've ranked ...

The CSI franchise pushed the boundaries of what a TV police-procedural could be when it arrived on our screens at the turn of the 21st century. The original Crime Scene Investigation series and its ...

Thinking of TV franchises, I was wondering why the CSI franchise fizzled out, but the NCIS franchise keeps chugging along with new versions. For a long time, CSI and its spinoffs dominated the CBS ...