Video : Dance like Nobody is Watching / Recipe for Disaster

When the alarm system at Headquarters is triggered, Olive, Otto, Ms. O, and Oscar must avoid a series of booby traps in order to shut it off.
Curriculum: Algebraic Thinking: pattern recognition and extension

Olive and Otto explain to Ms. O how a case went wrong, each in their own way.
Curriculum: Numbers and Operations: determining unknown number in an equation

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S01E19 - Hold the Door / Flatastrophe