I really want to see that series up on this site. Maybe also a few other missing series, like Beware the Batman, Justice League Action, and Teen Titans Go!
DCU needs its Light Knight! Did you know that he had to be completely serious or he would never make it through a single scene? Thats why I love him. RIP, Mr. West. You were my favorite Batman when I was little.
A big part of why its likely not on right now is that Fox not only owns the rights to the series, but it also owns the rights to Batman on live-action television. And now with Disney buying 20th Century Fox, who knows how that is going to go now.
If you want more details on the weird rights ownerships the series has, check out this article on WIred from back in 2014, when they released the 66 series on DVD/Blu-Ray: https://www.wired.com/2014/11/batman-home-video-finally/
It is available to stream https://therokuchannel.roku.com/details/3886fa2332a05fd283b452268328dcd1/batman
Although it would be much better to have here without ads.