Yeah I thought that was weird too about Sirius! He somehow morphed into a different kind of dog in the time between those two movies! My guess is they didn't want to have to use CGI to create the dog like they did in the 3rd movie, so they decided to just find some big black dog for the 5th movie instead.
Everybody Wants to Rule the World  is a song by the English band Tears for Fears. Originally released in the UK on 22 March 1985 it was the band's ninth single release in the United Kingdom (the third from their second LP: Songs from the Big Chair) and seventh UK Top 30 chart hit, peaking at number two in April 1985.
And Then There Were None is a detective fiction novel by Agatha Christie, first published in the United Kingdom by the Collins Crime Club on 6 November 1939 under the title Ten Little Niggers and in the United States by Dodd, Mead and Company in January 1940 under the title And Then There Were None.ritish editions continued to use the work's original title until the 1980s and the first British edition to use the alternative title And Then There Were None appeared in 1985 with a reprint of the 1963 Fontana Paperback.