Animation about an intergalactic guardian with the power of invisibility who patrols the galaxy with his monkey, Blip, and teenage twins Jan and Jayce. `Space Ghost' debuted on Saturday mornings in 1966, alternating segments with `Dino Boy,' a 10-year-old boy stuck in the prehistoric world. The caped do-gooder's segments were rerun on NBC from 1976 to '77 in `The Space Ghost/Frankenstein Jr. Show,' and in 1994, the character returned to host a talk show on the Cartoon Network.