
...and, eventually, it becomes
the so-called Christmas TREE.
The Big Bang Theory Season 2, Episode 11

No, Isaac goes at the top of the TREE.
The Big Bang Theory Season 3, Episode 11

That's not fair.
I got stuck behind a TREE.
The Big Bang Theory Season 3, Episode 10

...and chased me up the big elm TREE
in front of our house.
The Big Bang Theory Season 3, Episode 2

You pick one or I am
chopping down that TREE!
The Big Bang Theory Season 5, Episode 17