This came out at the end of February. Released by Sony. Each volume has 4 toons on it. Hopefully this might be mean an official season 1 release might not be far behind
more info:
http://www.tvshowsondvd.com/releasei...ReleaseID=5493
PS: if you search for real ghostbusters on amazon.com an import disc with 7 eps (manhattan madness) shows up. This disc is not in the US.