OK, let me see if I can clarify the setup here. Internet->Ethernet->WANPort->Router1->LANPort->Ethernet->WANPort->Router2->LANPort->Ethernet->TVDevice
Router1 WANPort is DHCP Internet Router1 DNS server is ISP Router1 is the Gateway and DNS server for all Router2 is DHCP server for SubnetA Router2 WANPort is DHCP Intranet SubnetA Router2 DNS server is Router1 Router2 is Gateway and DNS server for SubnetB Router2 is DHCP server for SubnetB TVDevice is DHCP client on SubnetB TVDevice Gateway & DNS server is Router 2 Is this accurate?