- Country: Sweden
- Genres: Animation, Comedy, Family
- Release: 1976-11-20
- Director: Stig Lasseby
- Writers: Nils-Olof Franzén , Leif Krantz
- Language: Swedish
- Stars: Olof Thunberg , Stig Grybe , Isa Quensel , Helge Hagerman , Per Sjöstrand , Per Sjöstrand , Leif Liljeroth , Leif Liljeroth , Stig Lasseby , Bert-Åke Varg , Annica Risberg
- Runtime: 77 min
- Awards: N/A
- AKA: Agaton Sax slår til (Denmark) , Agaton Sax och Byköpings gästabud , Agaton Sax (Norway) , Agaton Sax och Byköpings gästabud (United Kingdom) , Agathon Sax (Norway) , Privatdetektiv Agaton Sax , Agaton Sax and the Bykoebing Village Festival , Agaton Sax: Una rapina e un cappello (Italy) , Agaton Sax och Byköpings gästabud (Sweden)
- Plot: Two villains escape from jail in London. They are planning an attack on Agaton Sax. Inspector Lispington and Sax are chasing the two bad guys, but the hunt is hampered by the villains have lookalikes.
- IMDB:tt0171048
Agaton Sax and the Bykoebing Village Festival Cast · · · ALL
Stig Lasseby
Director
Olof Thunberg
Agaton Sax (voice)
Stig Grybe
Mr. Lispington (voice)
Isa Quensel
Aunt Tilda (voice)
Helge Hagerman
Antonsson (voice)
Per Sjöstrand
Mosca / McSnuff (voice)
Leif Liljeroth
Scott / Amber (voice)
Stig Lasseby
Various crooks (voice)
Bert-Åke Varg
(voice)
Annica Risberg
(voice)