Continuity mistake: After Quinn bumps his head, he touches the wound with his left hand and his watch is turned around so the face looking inward. In the very next shot, from a different angle, he resumes touching his head but the watch has turned around to the standard position.
Prof. Maximillian P. Arturo: More power, Mr. Mallory.
Trivia: On the equation on Quinn's chalkboard, T squared ("T2") appears in several places, a nod to Tracey Torme, Co-director of the series.
Post Traumatic Slide Syndrome - S2-E8
Question: At the end of the episode, do we know for sure that the right Arturo slid with the others, instead of the Arturo of the world that they were on? Or is it simply meant for us to wonder?
Chosen answer: It's left for us to wonder.
Answer: The show's creator admitted that it was the wrong Arturo.