
...and your penis would droop
like a willow TREE.
The Big Bang Theory Season 3, Episode 15

You hid behind a TREE yelling:
The Big Bang Theory Season 1, Episode 6

...but some of us have climbed
a little higher on the evolutionary TREE.
The Big Bang Theory Season 1, Episode 6

Well, you see a TREE, let me know.
Game of Thrones Season 2, Episode 10

What happened with the TREE?
The Big Bang Theory Season 10, Episode 12