
Since we agree on the delivery SYSTEM
for the message, maybe we should talk about...
The Big Bang Theory Season 8, Episode 21

for a neutrino-based
communication SYSTEM,
The Big Bang Theory Season 11, Episode 8

All we have to do
is rig a 3D communication SYSTEM.
The Big Bang Theory Season 8, Episode 21

Yes. I may have lost my guidance SYSTEM
and my girlfriend,
The Big Bang Theory Season 10, Episode 23