"The Omega Effect CAN be manipulated in many ways." Ahh, so then THAT explains how Bruce Wayne, a rocket ship and Superman's cape wound up lost in time...
And here's the perfect example of why Peter David is probably one of the best comic book writers ever. If ya don't get the gag, I'll be happy to explain it...
Sadly this was the best I could do. Bart really didn't do/say much during the tail-end of his Teen Titans run... Then again he was pretty much playing second fiddle to everybody else for his entire time on the team...