The Seventh Doctor wore a beige jumper covered in turquoise zig-zags and red question marks as part of the costume he chose in the TARDIS wardrobe shortly following his regeneration from the Sixth Doctor. This attire was approved by the Rani, then disguised as Melanie Bush. (TV: Time and the Rani) By the Doctor's own admission, the jumper was "silly". (AUDIO: Harvest of the Sycorax [+]Loading...["Harvest of the Sycorax (audio story)"])
The Doctor had replaced it with a single-breasted waistcoat of scarlet brocade with his blazer of tan herringbone-tweed by the events leading up to his regeneration into the Eighth Doctor. (TV: Doctor Who [+]Loading...["Doctor Who (TV story)"])
Following the Thirteenth Doctor's forced regeneration, the jumper was among the items of clothing worn by the Spy Master during his brief stint as "the Doctor". (TV: The Power of the Doctor [+]Loading...["The Power of the Doctor (TV story)"])
Petronella Osgood or her first Zygon double wore a replica of the jumper whilst recording their message regarding Operation Double. (TV: The Zygon Invasion [+]Loading...["The Zygon Invasion (TV story)"]) It was later worn by Bonnie after becoming Osgood's second double. (TV: The Zygon Inversion [+]Loading...["The Zygon Inversion (TV story)"])
There was a version of the jumper in the Remembered TARDIS which Melanie Bush used as a pillow. (TV: Empire of Death [+]Loading...["Empire of Death (TV story)"])