This particular installment of Cartoon Network's Batman: The Brave & The Bold has not yet aired here in the US, and is only available now on iTunes & YouTube, but it has aired in the UK.
Two days ago, "magicdog", who frequents the Toon Zone message boards, sent me this teaser segment from the Brave & The Bold, which marks the first-ever team-up of Batman and................Space Ghost! The producers, paying homage to the 1966 series, used a Space Ghost title card and intro music, and even brought in the definitive voice of Space Ghost himself, Gary Owens, who hadn't essayed the part in 30 years (Space Stars, 1981-82). PJonDevelopment gets the credit for uploading "Space Safari" to YouTube:
Now, it's just a question of when, not if, the idiots at Cartoon Network will air this episode, as there is talk that they've decided to cancel Brave & The Bold without finishing the 3rd & final season. If they don't, you may have to wait for a DVD release.
I see this as a possible back-door pilot for a possible revival, but as you can tell, Gary Owens just doesn't have the full use of his voice anymore. Seeing as how Diedrich Bader was able to base his Batman voice on Kevin Conroy's seminal portrayal of the Dark Knight from the 90's, he might be willing to test the limits of his vocal abilities......