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Mr. Hammond injures himself when one of his science experiments goes wrong. He decides to stop teaching science for a while but recruiting a substitute teacher is difficult. However Roy feels he has the solution in his Uncle Troy but there's something about Troy that makes Miss Sheringham believe he isn't all he seems.
First Air Date : Aug 05, 2009
Last Air date : Apr 07, 2015
Episode : 52 Episode
Season : 4 Season
Runtime: 25:14 minutes
Studio: CBBC
Country: United Kingdom
Cast: Kian Murphy
Crew:
