The Sewer Thing is the twenty-third episode of the first season of the animated series, Martin Mystery. It was originally released on June 8, 2004.
Martin, Diana & Java discover that a hideous creature living in the city’s sewers of Ottawa, was once a man who accidentally became “infected” by an experiment at a top-secret genetics laboratory. Now, because of his grotesque mutation, he’s bent on revenge and must be stopped.
In a sub-plot Diana application to join Famous sorority: The Sai Sai Sai Sisterhood in rejecting, due to her lack of tolerance and was given a chance to join under the condition she must tolerate Martin behavior for a full day. However near the end when it was discovered that Martin is the senior advisor of the Sisterhood Diana lose her temper and one once again rejected.
- Psi Psi Psi Sorority Girls (ΨΨΨ)
- Dr. Trevor Schindler
- Dr. Roberta Frisk
- Dr. Maurice Muncey
- Al Rizzo (Rat Man, formerly, but reformed)
- Slime Scan
- Alpha Goggles
- Bio Scan