"Congratulations. The bearer
of this CERTIFICATE
The Big Bang Theory Season 10, Episode 15
Without the CERTIFICATE of authenticity,
that bat'leth is worthless.
The Big Bang Theory Season 4, Episode 19
A gift CERTIFICATE for motorcycle lessons.
The Big Bang Theory Season 2, Episode 11
on the bunk beds,
and I have no CERTIFICATE of habitability.
Money Heist Season 1, Episode 12