
From July, its 4oD catch-up service will contain more than 4,000 hours of archived content, featuring programmes such as Brass Eye, Teachers and Vic Reeves Big Night Out.
The move is a statement of intent from the channel, which is looking to further invest in its online video content, and puts pressure on the BBC's iPlayer, which only archives footage for seven days.
According to the internet traffic monitor Hitwise, one in every 35 UK internet views in February was to a video site, up from one in 50 a year earlier.