In episode 3 of the TVO Science Mystery, Sam Sleuth asks what she should do next in the Case of the Runny Nose Princess Pea Portrait. What is causing the portrait's runny nose? Is it a) the portrait is sick, b) the curator is a cheat, or c) something is in the air?

Originally released by TV Ontario, 2011. Streaming video file encoded with permission for digital streaming by Infobase on February 17, 2016.

Mystery Clue Episode 3 (0:27); .