"No, no, no, no, no!"  The Doctor ran around the console frantically.  "What's up with you?  Ay?"  He looked up at the Time Roter and patted the glass.
"Oi, Spaceman!"  Donna called, entering the console room.  "What's going on, exactly?  The TARDIS is shaking all over the place!"
"Working on it, Donna, but I need-"  The Doctor stopped midsentence, looking at something that had appeared to the left of Donna.  "What."
"You need what?"  Donna asked, putting her hands on her hips.  "I'm not a mind reader, you know."
Saying nothing, the Doctor raised a hand and pointed at the TARDIS that had appeared in his TARDIS.
Spinning around, Donna took a shocked step back.  "What."

(First time writing Donna, so I hope I did all right)