Hanna-Barbera shows often include references to one or more of the studio's other shows, or to the studio itself or its personnel. These references can be visual, or they can occur in a character's dialog. Note: Do not include character crossovers or ensemble shows in this list.
- In one of the Batman & Robin episodes of The New Scooby-Doo Movies, Scooby and friends encounter giant balloons of Yogi Bear and Fred Flintstone.
- In The 13 Ghosts of Scooby-Doo episode "Scooby in Kwackyland", Platypus Duck performs his theme song to the tune of the Great Grape Ape theme song. His comic strip is credited to Tom Ruegger.
Dynomutt, Dog Wonder
- In "The Glob", Dynomutt briefly molds Blue Falcon into a bust of Scooby-Doo.
- In "The Prophet Profits", Mumbly appears on the TV set in the Falcon's Lair.
- In "The Queen Hornet", a sexy female lounge singer sings the Jabberjaw theme song.
- In the Pixie and Dixie and Mr. Jinks short "Pied Piper Pipe", Mr. Jinks plays the Augie Doggie and Doggie Daddy theme tune to make the mice dance.
- In the Yogi Bear short "The Buzzin' Bear", the rangers' names are Bill and Joe.
- At the end of the Yakky Doodle short "Count to Tenant", when Chopper asks why Clarence the flea and his family are laughing, Yakky tells him that they are watching The Yogi Bear Show.
- In The Jetsons episode "Elroy's Mob", one of Elroy's classmates is watching a rerun of The Flintstones on his wrist-mounted TV receiver.
- Many other Hanna-Barbera comedy cartoons of the 1960s and 1970s, including The Flintstones, had cross-references in their dialog.
- In one episode of Trollkins, Fred Flintstone appears on Blitz Lumpkin's TV set.
- In The Little Rascals short "Porky-O and Julie-Et", Porky is shown holding a jar labeled "H&B Jam".