Phoenix is back! An all-new season of MacGyver premieres tonight at 8:00PM ET/PT with “Fire + Ashes + Legacy = Phoenix.” In the kickoff to the show’s fourth season we will see Ex-MI6 agent Russ Taylor (Henry Ian Cusick) recruiting former Phoenix Foundation members Mac, Riley, Bozer, Matty and Desi to hunt down a bioweapon that’s planned to be used by a mysterious organization for a devastating attack on a major U.S. city.

Check out the video above for a behind-the-scenes look at season four and be sure to tune in tonight for an all-new MacGyver, only on CBS and streaming on CBS All Access. Check your local listings for more information.