HOWARD:
Told you the SENSOR would work.
The Big Bang Theory Season 1, Episode 11
to activate the motion SENSOR.
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...and the SENSOR apparatus will rest on it.
The Big Bang Theory Season 1, Episode 12
controlled by a seismic SENSOR.
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Now, you'll need to get the SENSOR
close to Sheldon's room.
The Big Bang Theory Season 1, Episode 11