The Lost Dimension (comic story)

The Lost Dimension was a miniseries published by Titan Comics. It served as a four-way crossover between Titan's ongoing series Doctor Who: The Twelfth Doctor, Doctor Who: The Ninth Doctor, Doctor Who: The Eleventh Doctor and Doctor Who: The Tenth Doctor, uniting the four Doctors and their companions, similarly to Supremacy of the Cybermen and Four Doctors.

Part one: Alpha
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Part two: Ninth Doctor Special
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Part three: The Tenth Doctor
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Part four: The Eleventh Doctor
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Part five: Special #1
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Part six: The Twelfth Doctor
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Part seven: Special #2
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Part eight: Omega
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Characters

 * Twelfth Doctor
 * Eleventh Doctor
 * Tenth Doctor
 * Ninth Doctor
 * Fifth Doctor
 * Third Doctor
 * Jenny
 * Tara Mishra
 * Jack Harkness
 * Alice Obiefune
 * Nardole
 * Bill Potts
 * Kate Stewart
 * Osgood

Continuity

 * The Doctor recalls Jenny being created by his stolen DNA. (TV: The Doctor's Daughter)
 * The Doctor reassures Nardole that the Vault is secure. (TV: The Pilot et al.)
 * Jack is collecting Tara Mishra, who previously stayed behind on Nomicae to help its people during the aftermath of the battle over the Ninth Doctor's memories. (COMIC: The Bidding War)
 * Osgood is wearing another outfit inspired by the Doctor. (TV: The Day of the Doctor, Death in Heaven, The Zygon Invasion / The Zygon Inversion) This time, it is heavily based off the Sixth Doctor's fashion sense. (TV: The Twin Dilemma)
 * Jenny visits the Doctor during his tenure at St Luke's University. (TV: The Pilot) She claims that Trenzalore is the only other place he's stayed long enough for her to find him, but Tasha Lem's barriers prevented her from contact. (TV: The Time of the Doctor)
 * The Tenth Doctor's TARDIS briefly merges with the Third Doctor's, as it had previously with the Fifth Doctor's. (TV: Time Crash)
 * Nardole claims the Doctor has more lives than a cat nun. (TV: New Earth)
 * The Doctor's office phone has an exceptionally long chord, just as his TARDIS phone does. (TV: The Time of the Doctor)