The 2014 Teenage Mutant Ninja Turtles series refers to the CGI-animated reboot of the long-running franchise that aired from 2012 to 2017. It follows Leonardo, Michelangelo, Donatello, and Raphael as they battle villains like Shredder, the Kraang, and various mutants while growing as a team. The series is known for its action, humor, and modernized take on the classic characters. If you mean the 2014-era release, the main title is the 2012 Nickelodeon series.