The Shannara Chronicles have come to an end. The pricey genre drama from Sonar Entertainment will not return for a third season as Paramount Network has passed on the drama. The first season aired on MTV and was the cabler's most-expensive pilot ever produced for the younger-skewing cable network. However, as Viacom shuffled its executive ranks, Shannara Chronicles moved to air on Spike TV, which is being rebranded as Paramount Network. Season two wrapped Nov.