A Guide to Classic Who references (and other references) including in Torchwood episodes.
Torchwood series 1 episode 10 (Story 10): Jack and the team greet a plane that took off in 1953.
Warning: May contain Spoilers for
"Out of Time"
- Doctor Who 01-09 & 01-10 - "The Empty Child"/"The Doctor Dances" (Suggested viewing - introduction of character.)
- Torchwood 01-01 - "Everything Changes" (Required viewing - introduction of characters, major plot points)
For context, the following are also covered:
[NEW] - Things that first appeared previously in the new series of Doctor Who.
[TW] - Things from previous Torchwood episodes.
- [NEW] Torchwood - This "Secret" organisation was created by Queen Victoria in 1879 and named for the Torchwood Estate (Doctor Who "Tooth & Claw") to fight aliens after she met the Doctor and Rose. The British PM (who wasn't supposed to know about Torchwood) order them to fire upon the Sycorax spaceship. Torchwood One (London) were responsible for the "Ghost Shift" (Doctor Who "Army of Ghosts") which led to the Battle of Canary Wharf. In the future, it was well known enough to be a question in "The Weakest Link" (Doctor Who "Bad Wolf"). This group, Torchwood Three first appeared in "Everything Changes."
- [NEW] Captain Jack Harkness - Was a Time Agent in the 52nd Century, but went rogue and disguised as an American airman tried scamming the Time Agency in 1941 accidentally meeting and joining the Doctor. He first appeared in the new series episodes "The Empty Child" and last appeared in that series in "The Parting of the Ways." He first appeared as a member of Torchwood Three in "Everything Changes."
- [TW] Jack's immortality - When Jack last appeared in Doctor Who ("Parting of the Ways") he was killed by Daleks and resurrected by Rose/Bad Wolf and left in the future. He was revealed to be immortal in "Everything Changes."