We love a challenge, but this is harder than we thought.
With the new Batman vs Superman: Dawn of Justic everyone has been getting into the spirit.
We've had Memphis Depay with his Batman boots while some crafty devil made a Lego remake, and now even the Channel 5 news team are getting in on the act.
Sian Welby, who presents Channel 5 weather, cunningly slipped no fewer than 20 references to the film in this 59-second clip. That's one every three seconds, so you'd think they'd be pretty easy to spot.
We've watched it again and again but we're struggling to find them all...
https://www.youtube.com/watch?v=b1hPiJPSGgM&feature=youtu.be
