Inconsistencies in The Big Bang Theory

There are some moments in The Big Bang Theory where events do not line up. Here is the list below:

1. In The Dumpling Paradox, they start Halo night 6 minutes late, and determine if the 6 minutes should be taken out of game time, bathroom time, or pizza break. Wednesday is Halo night, so it must have been Wednesday. But pizza night is on Thursday.