Company Credits
Production Companies
- Antena 3 Televisión (co-production)
- British Broadcasting Corporation (BBC) (co-production) (as BBC)
- Discovery Channel Canada (in association with) (as Discovery Canada)
- Discovery Channel (co-production) (as Discovery)
- Open University, The (co-production) (as Open University)
- SKAI (co-production)
- Zweites Deutsches Fernsehen (ZDF) (co-production) (as ZDF)
Other Companies
- Clean Cuts Music (sound post-production)