
I sent out a very emphatic Twitter.
The Big Bang Theory Season 2, Episode 3

just hit 100
Twitter followers.
The Big Bang Theory Season 5, Episode 12

go back in the archive of his feed
until I found his Twitter handle.
The Big Bang Theory Season 9, Episode 10

Yes, how did we live before Twitter?
The Big Bang Theory Season 2, Episode 23

According to their Twitter feed,
they're out of sunblock,
The Big Bang Theory Season 5, Episode 1