![The Hanna-Barbera New Cartoon Series](https://image.tmdb.org/t/p/w342/3YWSeOz9GQbbDaKKn8nyZhhkKqh.jpg)
1 Season
156 Episode
The Hanna-Barbera New Cartoon Series - Season 1 Episode 56 Gas Again
Lippy uses laughing gas on Hardy in order to get him to laugh. When a gorilla escapes from a nearby circus, the laughing gas really comes in handy.
- Year: 1963
- Country: United States of America
- Genre: Animation, Comedy, Kids, Family
- Studio: ABC
- Keyword:
- Director: Joseph Barbera, William Hanna
- Cast: