What if you could go back in time and fix a mistake you made? Would you? Strange energy readings are discovered in a remote region of Asia. XL will soon find out when G&G decides to investigate by sending the Troublemakers on their first field mission. Madness ensues when XL, Blur and Rebound accidentally release the insanity that is Crunchtime! Can the kids stop the temporal displacing wacko as he traverses wildly throughout time? Will XL fix what she did wrong on her first day of school?