Every episode except #10 has a new trivia question on the blackboard. The answer is said sometime during the episode.
Episode 10's question is the same as episode 9's.
The Wi-Fi password seen in the background of most episodes is the ID of a real video on YouTube. The video is a demonstration of how to roll a joint.
Clips from the American propaganda film Reefer Madness (1936) (also known as Tell Your Children) are featured during the opening credits for each episode.
Tae Kwon Doug adds a new patch to his outfit each episode.
Pete occasionally speaks to his plants in an Australian accent. Dougie Baldwin, the actor who plays Pete, is Australian.