While off-world, Babbis found himself inspecting curious alien wildlife he had discovered. The ground underneath, unstable, dropped away. He fell 20 feet into a babbling brook. Wallace, his teammate, attempted to come to his aid, but lost his own footing in the process. Babbis came away unscathed, but Wallace broke an ankle.
The Return, Part 1 - Babbis returns to Stargate Command with his team after falling 20 feet into a brook.