It was the week that late night talk shows and great bands collided before our very eyes and ears. First Bloc Party dropped their new single "Flux" on Conan. Then Justice (and friends) did the "D.A.N.C.E." on Kimmel. And then, to top it all, the Black Lips ripped through "O Katrina" on Conan again. Watch clips after the jump…BLOC PARTYJUSTICEBLACK LIPS