The Doctor's universe
- Sandra Mitchell, the mother of Adam Mitchell who appeared at the end of the Doctor Who episode, The Long Game [+]Loading...["The Long Game (TV story)"], is implicitly the same Sandra Mitchell who appeared as a regular character on the ITV drama series, right down to being played by the same actor, Judy Holt. Doctor Who's showrunner at the time, Russell T Davies, was a producer and occasional writer for Children's Ward. Davies suggested in an interview for Radio Times that every show he has ever worked all take place in "one big world".[1]
- The ninth episode of the series was a crossover with The Sarah Jane Adventures.
- This CBBC series had its own crossover with Chute! in the latter's first episode.
- This CBBC series had its own crossover with Chute! in the latter's twelfth episode.
- Had numerous crossovers with the DWU via such stories as The Totally Stonking, Surprisingly Educational And Utterly Mindboggling Comic Relief Comic [+]Loading...["The Totally Stonking, Surprisingly Educational And Utterly Mindboggling Comic Relief Comic (comic story)"] and Dermot and the Doctor [+]Loading...["Dermot and the Doctor (TV story)"].
- A 2021 episode of Coronation Street made a direct reference to a concurrent Holby City storyline as part of a campaign among all British soap operas and ongoing dramas to highlight climate change.[2]
- Had numerous crossovers with the DWU via such stories as Mistaken Identity [+]Loading...["Mistaken Identity (short story)"] and Dimensions in Time [+]Loading...["Dimensions in Time (TV story)"].
- This biographical drama by Russell T Davies depicted real life Scottish inventor, John Logie Baird, portrayed by actor John MacKay. Logie Baird would later appear in the Doctor Who episode, The Giggle [+]Loading...["The Giggle (TV story)"], once again portrayed by MacKay. This appearance was hinted by Davies in the Letter from the Showrunner in issue 596 of Doctor Who Magazine, as being a "genuine in-universe crossover (…) which is truly canonical and official, because [he says] so", lining up with Davies' previous indication of all of his works sharing a universe.[3]
- The Fleetway Publications continuity of the Ninja Turtles franchise. The Turtles - presumably those of this continuity - appeared in Fleetway's The Totally Stonking, Surprisingly Educational And Utterly Mindboggling Comic Relief Comic [+]Loading...["The Totally Stonking, Surprisingly Educational And Utterly Mindboggling Comic Relief Comic (comic story)"], which also featured the Doctor, in their first seven incarnations, and other related elements.