Like other animation studios, Hanna-Barbera frequently used the comedy device of showing only the eyes of characters in the dark.
The Perils of Penelope Pitstop
- This show's opening/closing titles start with the Hooded Claw's eyes, followed by those of Penelope.
- The opening of The New Scooby-Doo Movies starts with four pairs of disembodied eyes of various sizes.
- The opening of The New Scooby-Doo Mysteries features a pair of eyes in the dark, which end up morphing into Daphne and Shaggy respectively.
- In "The Great Pac-Quake", Pac-Man follows Blinky into a cave. Both characters' eyes are visible in the dark before Blinky is chomped.