Scooby-Doo! Mystery Incorporated (2010)

S01E15 The Wild Brood

Fred's invitation to join him and Daphne on their second date inadvertently drives her into the company of Obnarb, the leader of the Wild Brood, a local Orc biker gang. When a robbery at the armory occurs and a lethal weapon goes missing, the Wild Brood quickly become the prime suspects. The gang must unravel this mystery, clear the bikers' names, and uncover the true identity of the imposter posing as an Orc biker.