Watch Sky Sports 4 TV Online,Sky Sports 4 Live – Online Sky Sports 4 HD Streaming Free.Sky Sports 4 (originally launched as Sky Sports Extra) is the fourth Sports Channel launched by Sky Sports. It airs repeats and live events of many Sky Sports programmes, such as La Liga. The channel launched in April 1999, and is a free bonus channel for those who subscribe to both Sky Sports 1 and Sky Sports 2. The name Extra rather than Sky Sports 4 was chosen as the original intention of the channel was to simulcast sporting events showing on themain channels with the addition of interactive services.