FOLLOWING THE THREAD · 1 RECORDED EPISODE · 1 SEASON
Smoke detector
A persistent source of household noise.
Also known as smoke alarm · chirping
FOLLOW THE EVIDENCE
The episodes
Smoke detector · 1 recorded season
In episode order. Images illustrate episodes, not the documented scene.
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FIRST RECORDED OCCURRENCE · S11 E05
Mac & Dennis Move to the Suburbs
IMDb9.4Mac admits hearing the persistent chirping all along.
Recorded occurrences only. Earlier or additional uses may exist in episodes still being documented.