Ginger ale

River Song drank ginger ale at the Red Lion. (AUDIO: An Unearthly Woman)

A drink available on the planet Bobalabinko, located 827 light years away from Earth, tasted exactly like ginger ale, a fact the Tenth Doctor found both baffling and fascinating. (COMIC: )

The Tenth Doctor later took Martha Jones to a Local Shop to buy themselves a can of ginger ale each. (COMIC: )