kids music dvd

[twostrouble]

Hi
I recently took my 4 yr old to a kids disco party and the dj was playing a childrens music dvd with all the favourite tv characters songs and videos with the dance moves e.g. bob the builder. My son loved it and i have looked everywhere to buy something simular but can only find audio cds or cheap looking DVDs that have strange people doing the dance moves! I've tried the usual places e.g. amazon, play.com. Does anyone have any idea where i could get it from?