It's Always Sunny In Philadelphia

The channel broadcasting from the Superstore could not have been emitting in 3D as not one, but two cameras are needed to create a 3D image. There was only one camera shooting the reporter.

In the final scene of the episode where the gang have the last vote, the office door is open and closed between shots.

At the restaurant, the amount of water that was splashed on Dennis' sweatshirt changes between shots.

The Waitress mentions that she and Dee went to the same high school. However, when Dee tells the Waitress to fill out her job application in the 3rd season episode "The Gang Sells Out," the Waitress asks "Did you go to high school?"

During the last scene, the hammer changes position on the bar.

The billiard balls change position between shots when the gang is conversing with Frank around the pool table.

When Dennis opens the curtain in Charlie's apartment, a boom mike is visible in the top right corner.

When the salesman confronts Mac and Charlie about Frank, Mac's hand on the guitar neck changes positions between shots.