Thunderstone is an Australian science fiction television series produced by Jonathan M. Shiff Productions set in a post-apocalyptic world after Earth is hit by a comet. The main character Noah is played by Jeffrey Walker (also known for his roles in Ocean Girl, The Wayne Manifesto, and Mirror, Mirror). Other actors who appear in the series are Gerard Kennedy, Christopher Elliott (who later appeared in Under Jakob's Ladder), Emily Browning (who later appeared in Lemony Snicket's A Series of Unfortunate Events), and Daniel Daperis.

The show was originally broadcast on Network Ten from 12 February 1999 until 8 September 2000. Both the first and second seasons were also shown on ABC Kids.