Read the following paragraph and determine if the hypothesis is true:

Captain Zeppos (Dutch: Kapitein Zeppos ) was a Belgian children's television series, which aired in 1964 and 1968. It was based on a script by Lode De Groof. In all, the BRT made three series with a Flemish actor, Senne Rouffaer, in the title role. All episodes, except episode 16 which is a recap, have been released on DVD with Dutch subtitles and extras.

Hypothesis: Senne Rouffaer spoke Dutch