https://www.reddit.com/r/gallifrey/comments/j8m1a5/shower_thought_replace_luke_with_adam_in_the/
Of course, given Bruno Langley is now a registered and convicted sex offender, it’d be replacing Adam with Luke instead. It would require setting Dalek earlier for timeline reasons (otherwise it would be set after The Sontaran Stratagem), and some brief acknowledgement from Luke of having met the Doctor before.