...they shouldn't have started
a sci-fi CHANNEL.
The Big Bang Theory Season 6, Episode 21
Please keep this CHANNEL clear
for emergencies. Thank you.
The Big Bang Theory Season 8, Episode 6
"No one uses CHANNEL eight, thank you!"
Money Heist Season 1, Episode 6
are a couple of physicists--
don't turn the CHANNEL.
The Big Bang Theory Season 12, Episode 18
There was this guy
on the Discovery Channel
Breaking Bad Season 2, Episode 9