Plot hole: When Tim takes his sister Kit Kat back in time, she gets a sudden brain change as she realises she's now going out with his friend and finds him attractive in the changed timeline. However, Tim has no idea anything's different in his life until he gets home and discovers his daughter has become a son.
Plot hole: After blowing up the gate, the President turns on the TV news in the car...for no reason, other than for them to conveniently get the information that Channing Tatum's daughter is about to be executed, distracting him.