Theory:Doctor Who television discontinuity and plot holes/Orphan 55


 * Why didn't the TARDIS translate that Russian sign for Graham and Yaz?
 * Maybe because they were too far away from it.
 * Agreed. The TARDIS didn't go with them, possibly leading the translation circuitry to disconnect. Or maybe the transportation cube was responsible.


 * Why does Ryan address Graham by name, after having decided to call him "Granddad" by theend of Series 11?