A boy is watching a 9/11 video? Get off the plane!

Two Air Canada passengers were pulled from their Orlando-bound flight before takeoff from Toronto's Pearson Airport after another passenger spotted them watching video of the 9/11 terror attacks...

[A] passenger alerted the flight crew after spotting the young boy watching video on his iPod of the planes smashing into the World Trade Centre...

"Other passengers and our crew became concerned," Air Canada spokesman Peter Fitzpatrick told the Sun Wednesday. "The passengers were deplaned and following an investigation allowed to travel [the next] morning.