The Doctors stepped outside the TARDIS and to their surprise they saw Daleks wearing bowties and fezzes, yelling "Exterminate the Master!"
"That's not something you see every day..." said Ten, shocked.
The Daleks charged to the Master's "throne" room, exterminating any evil Daleks standing in their path.
"Fascinating..." the Master muttered as he looked over the Daleks before him. It seems in another universe you did manage to make the Daleks a force for good/ You command an army... just like you've always wanted."
"I don't want an army," said Nine.
"Lies. The Doctor always lies. The proof is right here, stuffing it's death laser in my face. It's irrelevant now, anyhow. It seems we have reached a stalemate."
"You fail every time, Master. Give up. You could go through a thousand regeneration cycles and you still wouldn't win!" exclaimed Ten.
Just as Ten finished, one of the Daleks shot a laser which flew through the air, hitting the Master in the left heart, bringing the Master to his death.
"How bittersweet..." said Nine, sadly.
"He always was a fool... Goodbye, Master."
Epilogue
The Doctors returned to their respective TARDISes and said their goodbyes.
"Can't believe I'm saying this... but I'm gonna miss you, pretty boy," said Nine, grinning.
"I'll be back sooner than you might think," said Ten
"Don't forget the big bad wolf either!"
Nine smiled as he stepped into his TARDIS and it disappeared shortly after.
Ten and Rose walked back into the TARDIS and the Doctor looked shocked as he came to a sudden realization.
"Hang on... you're Mary Jane Smith!"
"Do... Do I know you?" Mary asked, nervously.
"...Well... Not yet. And not this face either. Mary Jane... I think it's time you went home... and someday, you will see this blue box and meet me again."
And so Mary Jane Smith went on to be a reported and eventually met the Doctor again through UNIT. The Doctor and Rose continued to travel together happily, for the first time in a long time for both of them.