Selome Hailu The upcoming third season of “Power Book IV: Force” will be its last, according to star Joseph Sikora. But the actor, who leads the show as Tommy Egan, also seems to be teasing that a new project could come to the “Power” universe soon. With “Power Book II: Ghost” having just entered its fourth and final season, the only current “Power” series continuing at Starz is “Book III: Raising Kanan,” which was renewed for a fifth season in March.