He later returns within the second-season episode "The Dark Side" when he makes a deal with Rosalind Dyer so as to find the bodies of her earlier victims. Series 9. Episode 1. 31 July 2015. BBC One. 03 November 2015 (Ukraine's Russia-supported rebels) Ukraine's Russia-supported rebels are sad now that Putin is dialing down that conflict. High Fidelity: Yeah.