Here is the original video from the Ed Sullivan Show aired on December 14, 1969. This was the first time The Jackson Five, featuring Michael Jackson, played on national TV. They were the lead music act that night before the main gig, Diana Ross & The Supremes:
The Jackson Five - I Want You Back! (This is the best version of this clip on the net.)
A shot of the Jackson Five featuring Michael Jackson that night from the Ed Sullivan Show on Dec 14, 1969.