Initially, RSG! artists mimed to records but by late 1964 some performed live and the show switched to all-live performances in April 1965. It was noted for allowing artists to perform the full version of their songs rather than the short versions demanded by other shows. Despite its popularity in the UK, the show was never broadcast in the United States.
It featured successful artists of the era, including The Beatles, The Hollies, The Zombies, Dusty Springfield, The Supremes, The Kinks, The Rolling Stones, Donovan, The Animals, Cilla Black, The Who, Lulu, Marvin Gaye, Gene Pitney, The Beach Boys, Small Faces, Them, and many others.
Here is a highlights clip:
Jimi Hendrix made his first TV appearance in England on RSG! with "Hey Joe". Apparently, only the audio survives:
After this appearance, Hendrix's club tour sold out and he was quickly added to a nationwide tour headlined by the Walker Brothers.
The Who proved particularly popular and in 1966 had an episode to themselves entitled Ready Steady Who. The programme no longer exists, but an EP of the name marked the show (although no recordings were from the show).
In 1966, the time that the 'beat boom' was fading, the show was cancelled. Its disappearance at the height of its popularity enhanced its status. Many years later the British musician Dave Clark bought the rights to the surviving recordings of the show. Compilations were broadcast on Channel 4 in the 1980s and VHS videos were issued. In 1989 the show was seen for the first time in the US, on Disney Channel. During that time, Disney was a pay channel, that aired programming aimed at adults at night. Ready Steady Go! has not been officially released on DVD. Source - Wikipedia
Ready Steady Go! - A Bit Of Groovy!