Sumaran Era
From Tardis Wiki, the free Doctor Who reference
The Sumaran Era was a historical time period on the planet Manussa during the reign of the Mara, which was known as the Sumaran Empire. Ambril studied artefacts from the Sumaran Era. (DW: Snakedance)
Time distortion was present in the Sumaran Era. (BFA: Neverland)
