The Big Bang Theory - S3.E24

Michael and Jay panic when Claire reveals that she and Tony have decided to have sex. Her parents try by all means to change their minds and stop them, unsuccessfully. When the day and time comes, their find out Claire has sneaked out of the house and panic. Claire and Tony show up a few minutes later, and just when Michael is ready to kill him, Tony reveals that they didn't do anything. Just when they were about to do it, he opened the drawer on the hotel room's nightstand and found a bible, which he took as a sign from God. But he doesn't have to know that every hotel has a bible.