You're barking up the wrong TREE...
The Big Bang Theory Season 1, Episode 7
You hid behind a TREE yelling:
The Big Bang Theory Season 1, Episode 6
Well, beavers eat TREE bark.
The Big Bang Theory Season 4, Episode 3
which means they'll have to hug
the TREE line or risk melanoma.
The Big Bang Theory Season 5, Episode 1
The only TREE bark I know
that humans consume is cinnamon.
The Big Bang Theory Season 4, Episode 3