2005-2009

Discovery HD was first launched in Japan and Canada 2005 as Discovery Communications' international HD channel brand. It would roll out to many countries across the world over the following years.

2009-present

This logo was rolled out internationally in 2009, starting in the United Kingdom in February.

After this, the Discovery HD channel brand has taken different paths in different regions. The UK version was replaced by a simulcast of the Discovery Channel in 2011. In many European territories, it was replaced by Discovery HD Showcase in 2010.

Discovery Communications

U.S. domestic networks Discovery Channel | Animal Planet (HD) | TLC (HD) | The Hub | Science (HD) | Investigation Discovery | Military Channel | Destination America | Discovery Fit & Health | Velocity | Discovery en Español | Discovery Familia | Oprah Winfrey Network | 3net International brands Discovery Channel (International) | Animal Planet (International) | Discovery Science | Discovery Civilization | Discovery Travel & Living | Discovery World | Discovery History | Discovery Turbo | Discovery Real Time | Real Time | Discovery Home & Health | Discovery Historia | DMAX (UK/Ireland) | Discovery Kids Latin America | Discovery HD | Discovery HD Showcase | Investigation Discovery (Latin America) | Discovery Shed | Quest | Animal Planet HD | TLC (UK/Ireland)