User blog comment:MakeShift/The Crisis and its impact on the Arrowverse Wiki/@comment-25054842-20200123152310/@comment-675805-20200123165032

Sean, that episode of Titans wasn't canon to Doom Patrol. Apparently it was "the same world but different continuity" and now we know what that actually means. https://www.dccomics.com/blog/2019/02/27/how-the-doom-patrol-series-connects-with-titans