Fandom(s): Doctor Who, Stargate Atlantis.
Character(s): Tenth Doctor, Rodney McKay.
Pairing(s, if any): Nah.
Summary: Basically, have them just talking sheer technobabble about time travel and the Ancients and fighting and just being utterly smug and having the Atlantis team giving them strange looks.
Preferred Rating: Not picky.
Preferred Medium: Fic, obvs. Or maybe some art of the two fighting whilst, yeah, the onlookers sigh and stare. :D