We know from “The Husbands of River Song” that the Twelfth Doctor was the one who said goodbye to her and gave her the sonic ...

The Husbands of River Song The Doctor uses the sonic screwdriver to try to stop the spaceship crashing. River and the Doctor escape to the safety of the TARDIS.

The Husbands of River Song The Doctor gives River a Christmas present – her very own sonic screwdriver. River and the Doctor prepare to dine at the finest table in all the galaxy… ...