SPOILER: There is a scene in the closing credits: a transmission from Ted Kord is heard at the Beetle cave.
The Warner Bros and DC Comics logos are in space, and appear as constructs from the Scarab.
Rudy Gomez's "El Chapulin" transmission appears at the end of the closing credits, with Rudy saying "Oh, that's sexy!" after it's done.
The opening titles feature the Scarab's history from space to Earth, accompanied by records about its previous users on Earth.