Those were the days coming home from Elementary School and playing these games all weekend long. Cartoonetwork and Nickelodeon had some fun online games back in the day.
That rock on Numbah 4s level (I think that's the level, memory is fuzzy) got me so hyped. It's good to hear it again years later when I can actually play guitar.
I Love It! too bad you couldn't get the bonus stage's music, you see years ago each stage(operative) gave you a letter to a secret code at the end, then you could use the code to access a 6th stage where you play as the entire team flying in the M.O.S.Q.U.I.T.T.O.H. in a Final Boss battle against the DCfDtL.