International
The series was broadcast in more than 90 countries, including France, United States, Germany, South Africa, India, Pakistan, South Korea, Russia, the Philippines and Australia. Nelvana Enterprises originally distributed the series worldwide except in the UK/Ireland and Germany. CITV in the UK, RTÉ in Ireland and ZDF in Germany acquired the rights to the series in the respective countries.
In February 2008, Novel transitioned the show's international distribution to Little Bird Rights. By March, the series was pre-sold to Disney Channel in France, RÚV in Iceland, SVT in Sweden, NRK in Norway and YLE in Finland, with broadcast deals in South Africa, Turkey and Portugal being negotiated. In October 2008, the broadcast rights for the three regions were pre-sold to MNet, Digiturk and RTP respectively, in addition to a Polish deal with Op Art.
In Malta, the series aired on PBS. In the United States, it was available for streaming on Netflix and Amazon Prime Video, it is currently available to watch on The Roku Channel. In the Middle East and North Africa, the series has previously aired on M-Net, as of now, it currently airs on Nicktoons. In 2014, Cartoon Network and Boomerang acquired the series for Australia, New Zealand, Pakistan, India, South-East Asia, South Korea and Taiwan. In the MENA region, it aired on Jeem TV. In 2018, the series premiered in Canada on Toon-A-Vision.
In Wales, the series was dubbed in Welsh and aired on children's block "Stwnsh" on S4C and was titled "Henri Helynt". In Ireland, the series was dubbed into Irish under the title "Dónal Dána" and aired on TG4. In India, the series was later acquired by Sony YAY! and aired on that channel under the title Haste Raho Henry.