For other uses of this name, see Othalla (disambiguation)
"Othalla" is also the name of an Asgard colony world in the Ida Galaxy.
See also: Othalla (Planet)
Unnatural Selection - With Thor's help, SG-1 and Prometheus cross into the Othalla galaxy in the hopes of investigating the latest Replicator threat.
New Order, Part 1 - Carter and Teal'c take O'Neill's modified cargo ship back to the Othalla galaxy to hopefully obtain the aid of the Asgard.
New Order, Part 2 - SG-1 helps the Asgard defend Orilla from a Replicator infestation.
Unending - The Asgard commit mass suicide to end their civilization and protect their technology from falling into the wrong hands, destroying the planet Orilla.