Season 4, Episode 9: Grissom Versus the Volcano

Scientist versus social butterfly.

Catherine: The three ingredients to make lava flow. In fifth grade I built one of these as my science fair project it was awesome. First place shoulda been mine. They ended up giving it to some kid with some lame red ant colony. [looks at Grissom] That was you!!!
Grissom: Yeah! Only my ants were black Argentinians.
Catherine: Uh-uh
Grissom: I learned at the very early age that the bugs always win.
Catherine: .....Right......