Since its creation, Theodore Tugboat has been dubbed into some languages other than English.
In Denmark the series is known as "Slæbebåden Theodor". its narrated by Povl Dissing.
- Seasons 4 and 5 were never dubbed in Danish .
FinlandIn Finland, the series is known as "Teodor Pikku Hinaaja".
- Theodore - Teodor
- Emily - Emilia/Emma
- Foduck - Lasse
- Hank - Hannu
- George - Jurmu
- The Dispatcher - Satamapäällikkö (The Dock Manager)
- Digby - Kalle
- Northumberland - Huhmari
- Pearl - Helmi
- Bluenose - Sininokka
- Queen Stephanie - Stephania
- Constance - Constans
- Bobby - Pasi
- Donald Dock - Aku Laituri
- Walter - Valtteri
- The Harbour Master - Satamamestari
- Seasons 4 and 5 were never dubbed in Finnish.
- at Seasons 1-2, The intro and credits were dubbed over.
In France, the series is known as "Théodore le Remorqueur".
- Theodore - Théodore
- Emily - Émilie
- George - Georges
- Oliver - Olivier
- The Big Harbour - Le Grand Port
- Seasons 2, 4 and 5 were never dubbed French
In Israel, the series is known as "טדי ספינת הגרר".
- Theodore - הגרר
In Norway, the series is known as "Taubåten Theodor". It is narrated by Per Frisch
- Theodore - Theodor
- Foduck - Freddy
- George - Georg
- Hank - Henrik
- The Dispatcher - Trafikksjefen (The Trafic Chief)
- Digby - Ståle/Staale
- Pearl - Lisa
- Filmore - Felix
- Owan - Ove
- Snorri - Snorre
- Seasons 4 and 5 were never dubbed in Norwegian.
In Netherlands, the series is known as "Theodoor de Sleepboot", its narrated by Jan Nonhof.
- Seasons 3, 4 and 5 were never dubbed in Dutch.
In Sweden, the series is known as "Bosse Bogserbåt". its narrated by Stefan Ekman.
- Theodore - Bosse
- Foduck - Fredrick
- George - Georg
- Hank - Hasse
- The Dispatcher - Chefen (The Chief)
- Pearl - Pärlan
- Seasons 3, 4 and 5 were never dubbed in Swedish.