The Greatest Mall in the Universe (comic story)

Summary
Visiting a planet-sized shopping centre, Donna is mistaken for celebrity, Krystal Diva, and kidnapped by two hapless security agents, whilst the Doctor mustt race against time to uncover the real kidnappers, locate Krystal and save Donna before the opening night of a new chain of shops, Ryson Robot's.

Characters

 * Tenth Doctor
 * Donna Noble
 * Inspector DP43
 * Krystal Diva
 * Mr Ryson
 * Arthur K. Leendlemaan

Continuity

 * When he finds Donna, the Doctor yells "Allons-y". (TV: Army of Ghosts, The End of Time)
 * The Doctor mutters the word "What" (TV: Doomsday, Last of the Time Lords)
 * Visiting a planet that only contains shopping malls, The Doctor and Donna previously visited a planet that only contains books. (TV: Silence in the Library/Forest of the Dead)
 * One of the aliens in the mall where the TARDIS lands closely resembles a veil lifeform. (TV: Prisoner of the Judoon, The Vault of Secrets)
 * When the Doctor gives Donna a credit card, he says "Try not to spend it all at once". He previously muttered a similiar phrase to Adam Mitchell. (TV: 'The Long Game)