
Is this for Serial Ape-ist?
The Big Bang Theory Season 10, Episode 6

...between my co-star from Serial Ape-ist 2
and her fiancé...
The Big Bang Theory Season 8, Episode 20

for carrying a weapon
with a defaced SERIAL number
if you buy it legally.
Breaking Bad Season 4, Episode 2

If you don't count the SERIAL killer
who ate all those prostitutes.
The Big Bang Theory Season 6, Episode 18

Yeah. Serial Apeist.
The Big Bang Theory Season 7, Episode 1