
...in a debate in the DC Comics Batman
CHAT room, and I need your help.
The Big Bang Theory Season 2, Episode 20

and a failed video CHAT.
I win!
The Big Bang Theory Season 5, Episode 20

That's my parents on video CHAT.
Go hide in the bedroom.
The Big Bang Theory Season 4, Episode 24

Come on, Sheldon,
let the women-folk CHAT.
The Big Bang Theory Season 3, Episode 10

Leonard doesn't have time
to CHAT, he has to get the mail.
The Big Bang Theory Season 5, Episode 7