"Arthropods" is the seventh episode of the A Series of QI. It first aired on 16 October 2003 on BBC Four, and was broadcast on BBC Two a week later. It was the first ever episode in which Alan Davies did not come last, and contained the lowest score in the A Series (and the lowest score so far in the show). The episode was preceded by "Antidotes & Answers" and followed by "Albania".