
That's a MIRROR.
The Big Bang Theory Season 7, Episode 12

Oh, please, look in the MIRROR,
The Big Bang Theory Season 10, Episode 16

Anyone could have knocked
your MIRROR off...
The Big Bang Theory Season 7, Episode 14

Black Mirror?
No.
The Big Bang Theory Season 12, Episode 13

take a long, hard look
in the MIRROR,
The Big Bang Theory Season 11, Episode 8