Towards the end of the film, after Grace (Mila Kunis) has her baby girl, her dad, Andy (Michael Keaton), embraces Pete (Danny Deferrari) on being a new father. Pete removes he eye glasses a little bit before the embrace and is holding them in his hand during the hug, but is suddenly wearing his eye glasses before the two disengage their hug.
The box of "Cinnamon Toast Crunch" keeps turning 180° during the breakfast scene.