Oh, my, this is one tough TROLL.
The Big Bang Theory Season 4, Episode 6
"A TROLL blocks your passage."
The Big Bang Theory Season 4, Episode 6
Troll master.
The Big Bang Theory Season 4, Episode 23
For all we know, Glissinda the Troll
wasn't even a real woman.
The Big Bang Theory Season 4, Episode 4
SHELDON:
Hit TROLL with axe.
The Big Bang Theory Season 4, Episode 6