to be added
- Among the life forms on Tiro are the Staggs, Auroyells, mobile trees with metal bodies, carnivorous flowers like giant poppies, giant cabbage plants, and giant ants.
- The TARDIS has klister valves which require magnatite to function.
- The TARDIS was damaged in the escape from the sons of Grekk. (PROSE: The Sons of Grekk)
- The Doctor checks the fault locator. (TV: The Edge of Destruction)
- The Doctor compares the ants of Tiro to the Zarbi of Vortis. (TV: The Web Planet)