
...are Fort Knox, Fort Ticonderoga,
Fort Sumter...
The Big Bang Theory Season 8, Episode 20

of who's allowed in his
tree FORT if fe ever gets one.
The Big Bang Theory Season 7, Episode 6

...and Fort Cozy McBlanket.
The Big Bang Theory Season 8, Episode 20

Okay, fine.
Sheldon, may I please visit your FORT?
The Big Bang Theory Season 8, Episode 20

welcome to Fort Forlorn Hope.
Westworld Season 2, Episode 3