Mitchell accidentally erases himself from history after deleting his school record. At first his anonymity is fun but when his friends forget him and he starts to disappear, he calls on Samia, the one person who can remember him, to help reboot his existence.
It's Aprils Fool's day and Mitchell is pranking in overdrive. Before too long he's pranked everyone and unleashed a dormant beast of Embarrassment that lives under the school. Mitchell must save his friends - and Tyson - from 'The Embarrassment's' disgusting lair by going toe to toe in a shameful game show.
A new school security system is installed - and the cameras seem to record what happens in the future. When Templeton becomes Security Monitor and goes mad with this incredible, all-seeing power, the very existence of Strange Hill is threatened.
When Becky coaxes a wilting plant back to life in the old Strange Hill Greenhouse, she gets more than she bargained for with an outbreak of plantlike PE teachers threatening to exercise the world into submission. Only Mitchell's sarcastically planted chicken nugget beast can save the day.
Mitchell must pass the 'Hardest Maths Assignment Ever'. He cheats and ends up earning the mythical grade of 101%, breaking maths and the world as we know it in the process.
When Templeton's Science Fair attempt to blast into the cosmos backfires, he accidentally instigates a full-blown alien invasion - by aliens that seem remarkably familiar and have come to pay homage to the creator of the Universe...Templeton?!
Mitchell is bitten by a rabid Deputy Head and, every time the school bell rings, transforms into the disciplinarian were-teacher, Mr. Tanner. If the curse isn't lifted before Mr. Tanner signs a permanent contract, Mitchell could be doomed to spend the rest of his life as a teacher at Strange Hill!