Mambo No. 5 the song debuted at number one on the UK Singles Chart, becoming Bob the Builder's second number-one single there after "Can We Fix It?". The song experienced major success in Australia and Ireland. In the former country, the song debuted at number three on the ARIA Singles Chart on 4 November 2001 and reached number two on 18 November, held off the top spot by Alien Ant Farm's cover of "Smooth Criminal". After staying at number two for another week, the song began to leave the chart, spending nine more weeks in the top 50. In Ireland, the song first
Who Is Number One? Hale must die", placing old man in trunk, the intertitle "The newspapers tomorrow will tell of the suicide of Dr. Kent", all details showing the attempt to murder Kent and give it the appearance of suicide, view of old man on pedestal after shooting through door, last struggle scene where policeman is punched, and the entire incident of throwing policeman the roof and stepping on his fingers while hanging; and, in Chapter 15, Reel 1, striking man in the head with gun and, in Reel 2, throwing man out of window. Who Is Number One? Who Is Number One? is