The World Contamination Tour was a concert tour supporting My Chemical Romance's fourth album Danger Days: The True Lives of the Fabulous Killjoys. This was the first tour My Chemical Romance had done since the departure of their drummer Bob Bryar. For the tour, Michael Pedicone was the stand-in drummer. This also proved to be My Chemical Romance's final headlining tour.
Twin Atlantic (Europe—Leg 1) (select dates)Lostalone (Europe—Leg 2)The Blackout (Europe—Leg 2) (select dates)Architects (North America—Leg 2)Bring Me the Horizon (North America—Leg 2) (select dates)Anti-Flag (North America—Leg 2) (Toronto and Montreal)Thursday (North America—Leg 2) (select dates)Circa Survive (North America—Leg 2) (select dates)The band's setlist contained mostly songs from Danger Days, but also from their other three albums. There was not been a steady setlist the band used, although the song Na Na Na (Na Na Na Na Na Na Na Na Na) was used as the intro to all shows.
Festivals and other miscellaneous performances^ A This concert is a part of the 101.9 RXP Yule Rock Holiday Concert Show.
^ B This concert is a part of 9X's NBT 10.
^ C This concert is a part of the KRBZ's The Night the Buzz Stole Xmas show.
^ D This concert is a part of LIVE 105's Not So Silent Night.
^ E This concert is a part of 91X's Wrex the Halls.
^ F This concert is a part of KPNT 105.7's
The Pageant.
^ G This concert is a part of Q101’S Twisted Show.
^ H This concert is a part of The Edge Jingle Bell Rock 2010
^ I This concert is a part of Radio 1's Big Weekend.
^ J This concert is a part of the Orange
Warsaw festival.
^ K These concerts are a part of the
Hurricane and Southside festivals.
^ L This concert is a part of the DCode Festival.
^ M This concert is a part of the Sonisphere festival.
^ N This concert is a part of the Volt Festival.
^ O This concert is a part of the
Rock Werchter Festival.
^ P This concert is a part of the Rock For People festival.
^ Q This concert is a part of the Optimus Alive! festival.
^ R This concert is a part of the Oxegen festial.
^ S This concert is a part of the iTunes Festival
^ T This concert is a part of the
T in the Park festival.
^ U These concerts are a part of the
Reading and
Leeds festivals.
^ V This concert is a part of the
Rock en Seine festival.
Cancelled shows 
