
and Penny's apparently
in the GYM all the time,
The Big Bang Theory Season 12, Episode 12

One time
while I was in GYM class,
The Big Bang Theory Season 5, Episode 11

He said he was gonna take me to the GYM
so I'm gonna go practice my sit-ups.
The Big Bang Theory Season 2, Episode 11

and we're gonna
turn it into a GYM.
The Big Bang Theory Season 11, Episode 14

There's a pool, a GYM--
The Big Bang Theory Season 7, Episode 1