Dinner for Schmucks Goofs/Mistakes
- Movie Goof (continuity error): When Mueller first appears, his eye color is blue like his wife's. However, when he reappears at the dinner party, his eye color changes to brown.
- Movie Goof (continuity error): During the scene in the street where Tim meets Barry, the same car (a Scion Xb) drives by twice.
- Movie Goof (continuity error): When Barry is working on his mice near the end of the film, he takes off his glasses to put on the magnifying "helmet". When he raises the magnifying part, he is wearing his glasses again.