TF1 (té effe un pronounced [te ɛf œ̃]) is a French free-to-air television channel, controlled by TF1 Group, whose major share-holder is Bouygues. TF1’s average market share of 24% makes it the most popular domestic network. Flagship series broadcast on the channel include CSI, The Voice and House M.D.
TF1 is part of the TF1 Group of mass media companies, which also includes the news channel LCI. It used to own the satellite TV provider TPS, which have been sold to the Canal+ Group.
The network is a supporter of the Hybrid Broadcast Broadband TV (HbbTV) initiative that is promoting and establishing an open European standard for hybrid set-top boxes for the reception of terrestrial TV and broadband multimedia applications with a single user interface.