The Doctor's TARDIS had a small café down the corridor from the swimming pool. It reminded Sarah Jane Smith of Sergio's, her coffee shop of choice in South Croydon. She got the general feeling that whoever ran the place had just popped out for the moment, leaving behind what she didn't quite realise she wanted, still steaming hot.
Sarah had a conversation with Harry Sullivan about the Fourth Doctor in the TARDIS café. (PROSE: The Last Thing You Ever See)