(Monty Brinton / CBS)

CBS has cancelled its Scorpion TV show after four seasons. The season, which began with a musical episode, weill be this series’ swan song.

A CBS action drama, Scorpion stars Elyes Gabel, Katharine McPhee, Eddie Kay Thomas, Jadyn Wong, Ari Stidham, Robert Patrick, Riley B. Smith, Andy Buckley, Jamie McShane, Joshua Leonard, Dan Dratch, and Scott Porter. Inspired by a real-life computer expert, the series centers on Walter O’Brien (Gabel) and his team of brilliant misfits. Team Scorpion is the country’s last line of defense against lurking high-tech threats.

Scorpion: A Look at the Ratings

The fourth season of Scorpion is averaging a 0.81 rating in the 18-49 demographic and 5.26 million viewers. Compared to season three, that’s down by about 32% and down by 27%, respectively. By both measures, Scorpion is consistently among the lowest rated scripted CBS TV shows.

All told, today CBS cancelled two TV shows: Superior Donuts and Scorpion. The network also renewed five series: Criminal Minds (season 14); Man With a Plan (season three); Life in Pieces (season four); Instinct (season two); and Big Brother: Celebrity Edition (season two).

UPDATE: CBS has cancelled Kevin Can Wait and has renewed Elementary for season seven.

Deadline has confirmed the Scorpion cancellation.

What do you think? Did you think CBS would cancel or renew Scorpion for season five? Now that it’s over, did it end at the right time, or should the network have given it another season to wrap up? Sound off, in the comments.