
...to the open air and contamination,
PERIOD.
Breaking Bad Season 3, Episode 10

Well, he used a PERIOD
instead of a question mark,
The Big Bang Theory Season 9, Episode 16

So, your contract provides
for a three-day trial PERIOD,
The Big Bang Theory Season 11, Episode 14

Finally got your PERIOD?
Heh.
Breaking Bad Season 4, Episode 7

Easy. 40 weeks from the date
of her last PERIOD.
The Big Bang Theory Season 11, Episode 16