Yep, because Takeshi's Castle a huge success for DSF, they broadcasted several Gameshows from the UK, US and France (and Sports Bakka from Japan).. the good old days when DSF broadcasted good shows and not that crappy call-in shows
Re: If you were to choose a voice-over... Yeah, the original version of It's a Knockout was great, the revival was poor. Jeux Sans Frontieres (the Intertnational version) was good though an there's apparently a petition for that to be revived.