The Tenth Doctor makes his last appearance in the episode `` Journey 's End . ''
The Tenth Doctor makes his penultimate appearance by the end of the 2008 series finale , `` Journey 's End '' , after which he attempts to travel alone for the duration of the 2008-2010 specials before being accompanied by Donna Noble 's grandfather Wilfred Mott on his final adventure in `` The End of Time . ''