Episode Title:Iron Curtain.Episode Description:When the Thornberrys need some close-up footage of elephants, they travel to the Ngorongoro Game Preserve. At first Eliza believes it to be a prison, and helps a baby elephant escape to find her mom. She quickly changes her mind about the place when they tackle with some poachers out to trap and kill her pachyderm pals. Eliza and the elephants bust back into the Game Preserve where they are now safe. Meanwhile, Debbie loses Donnie and has to find him before he gets sent off to a university as "the missing link".