 On Demand also offered HD content that worked in conjunction with the Telewest PVR (now renamed the V+).Telewest's HD service initially comprised around 10–30 hours per week of video on demand content, with no linear high definition television channels available, although the early trial services of BBC HD and ITV HD were carried for a brief time.In January 2006, Telewest started to broadcast HD documentaries such as "The Blue Planet", "Planet Earth" and "Pride" through their Teleport service, and later broadcast some movies in HD.