The Ice Caves of Shabadabadon was a place visited by the Eighth Doctor and his companions Samson and Gemma Griffin. (AUDIO: Terror Firma)
Iris Wildthyme and her companion Panda likewise once visited the Ice Caves. (AUDIO: Iris Wildthyme and the Claws of Santa)
The Fifth Doctor once planned on travelling to the caves but landed inside the Moon instead. (AUDIO: The Gathering)
The Sixth Doctor once intended to take Peri Brown to the Ice Caves. (AUDIO: The Reaping)