Rushmore Rumble / A Boy and His Bug / You Vegetabelieve It!

S2 E26: "Rushmore Rumble": Dexter and Mandark face off in a battle of Titans using the stone figures of Lincoln and Washington (respectively) from Mount Rushmore. When the two granite giants go off to have their own life, Dexter and Mandark stand facing each other. / "A Boy and His Bug": Dexter inadvertently develops a new breed of termites that eats metal instead of wood. When they destroy the lab, Dexter builds a wooden containment box to hold them and finally outwits the little buggers. / "You Vegetabelieve It!": Dee Dee's plant is slowly dying so Dexter gives her a flask of plant growth hormone. When Dee Dee gives the plant too much, it grows too large for its pot and must be transplanted to the yard.