Ted and Lily argue throughout the episode about whose relationship is better.

The sexual tension between the two rises throughout the episode.

The song of the same name is heard several times throughout the episode.

After a word has been introduced, it is usually used a number of times throughout the episode.

This word was repeated and hidden several times throughout the episode.

The grin remained fixed on his face throughout the episode.

Throughout the episode, there are 4 murders, one of which is Historical, and a death by natural causes.

Throughout the episode, the words on the Devil's orange shirt change.

Other scattered references to the game appeared throughout the episode.

Each of the young doctors works on their own specific case throughout the episode.