Samantha Sleuth receives a phone call from a mysterious stranger that begins a seven part mystery that can only be solved by the careful application of the scientific method. In episode three Sam visits the Joker, who tells her that the same caller called him. He also has noticed that someone has been using his printer and they left fingerprints.

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

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