The Star Trekker
A five-year time mission: to explore strange new timezones; to seek out new life and times, to boldly go where no Timelord has gone before, and then to regenerate into Dr Who: The Next Generation, featuring The Daughter with a series arc featuring a strange omnipitant creature known as '0' (Also in some places as Zero) who sets often irrational and illogical puzzles and traps for The Doctor. . The first episode would be 'Encounter at Nearpoint' in which we learn that Zero can death, create life, travel through time, stop time, multitask/create multiple versions of himself and create entire worlds effortlessly. (Rumour has it that zero is also known as 'The Moff'
Other future post regeneration series may include Dr Who: Deep Tardis 9 - where The Doctor and The Daughter trade in their old Tardis for a new series 9 Tardis that malfunctions and gets stuck on a Timelord outpost on the edge of Skaro space. The station belongs to the Cybermen, a race of cyborg people whose home planet Mondas was until recently occupied by the Daleks. After many years of terrorist attacks by the Cybermen, the Daleks withdrew from Mondas The Cybereman Provisional Government has asked the Timelords for help with the immense task of rebuilding Mondas after the occupation. What they get is 'The Doctor' with 'The Simm' hot on his heels and out to turn everything from ashes to Ashes.
(thanks to wikipedia)