The Dalek Pandemonium
Disclaimer: everything I'm about to write about I do not own.
Chapter 1: Doctor in Pasadena
Sheldon sat down in his spot he was playing halo as it was a Wednesday and penny seemed determined to make him lose. She kept killing him whenever he respawned and was about to go to bed to read the new batman comic when suddenly a familiar blue box materialised into the sitting room. A man in suit and large brown coat stepped out and said "don't kill him when he is respawning,"
When the doctor had formally introduced himself to penny they played for a bit and laughed as he told them embarrassing stuff about Sheldon. The Doctor finally got up and said "sorry I've got to run a emergency in New York a distress signal coming form a apartment honestly why would aliens want to take over New York," he ran into the TARDIS and they watched as it dematerialised into the time vortex.
"See Penny no killing me when I respawn," said Sheldon happily. "Sheldon we've got more things to worry about then halo," said Leonard. He looked round and there were 4 alien creatures with what looked a stick that unblocked toilets. "Dr Sheldon Cooper, Dr Leonard Hofstader, Dr Rajesh Koothrappali, Howard Wolowitz and Penny have been confirmed activiate teleportation through the vortex," one of the creatures said and the dispappered with a blue light