For other uses of this name, see Othalla (disambiguation)
An Asgard-populated world, located in the galaxy of Ida. After Jack O'Neill succumbed to the Ancients' library downloaded into his brain, his subconscious mind carried out the necessary tasks to get him to Othalla, where he was able to get help.
SG-1 later learned that the Asgard home galaxy is also called Othalla, indicating that this planet is probably a colony settled as the Asgard civilization expanded into another galaxy.
The Fifth Race - O'Neill visits Othalla to meet the Asgard for the first time, has the Ancients' knowledge removed from his brain, and learns valuable information regarding the future of the human race.