Martian skidoo
The Eighth Doctor was fairly certain he had a Martian skidoo somewhere in the TARDIS. He offered to bring it out after landing in cold Iceland.
However, he and his companions ran into some trouble with a farmer somewhere inside the TARDIS, who needed "a few decades to calm down" afterwards, according to the Doctor. (AUDIO: Women's Day Off [+]Loading...["Women's Day Off (audio story)"])
Behind the scenes
The altercation with the farmer in the TARDIS is not depicted within the 2024 audio story [+]Loading...["Women's Day Off (audio story)","2024 audio story"]. It is only referenced by the Doctor when Charley asks him if they should go back for the skidoo.