Continuity mistake: After Ralph destroys the cake and it goes all over the place, we cut to a wide shot. In this shot, to Gene's right, there is a small amount of cake on the floor. In the following shot, the amount of cake has doubled. Also after Ralph destroys the cake Mary is holding the people that were on top of the cake even though Ralph just destroyed them. (00:13:10)
Continuity mistake: When the reporter tells Dex this is his 500th case solved, there are extras in the background cheering. One of them to the right of shot is a man with ginger hair, moustache and beard. In one shot, he is wearing a light beige blazer, purple bow tie and white shirt, but in the next shot, when the reporter asks what is his secret, he is suddenly wearing a brown jacket, green bow tie and black shirt. (00:04:30)
Continuity mistake: At the end of the movie, before the Guardians leave, Jamie rushes over to hug Jack. In the first shot, the top of his head nearly reaches Jack's ribcage. However, in the following close-up shot, Jamie is almost at the same height as Jack's shoulders. (01:27:30)