When Michael comes home after setting up an intimate conjugal visit for his parents, he drops his bag onto the couch but he is shown doing this twice.
The newspaper article regarding Gob (Will Arnett)'s escape is about a different murder trial unrelated to the escape from prison and the story keeps repeating over and over; however, the defendant in the fake news story is, indeed, called Bluth.
When Lindsay and Tobias are in therapy, near the end of the session when the therapist and Tobias are role playing, a camera man's leg and the camera's lens can clearly be seen on the right side of the screen. (Only visible in the HD widescreen version.)