DOCTOR WHO: DOT AND BUBBLE (TV) (2024, UK, 45m, PG) **½ Sci-Fi, Adventure dist. BBC; pr co. Bad Wolf/BBC Wales; d. Dylan Holmes Williams; w. Russell T. Davies; exec pr. Russell T. Davies, Julie Gardner, Jane Tranter, Joel Collins, Phil Collinson; pr. Vicki Delow; ph. Jamie Cairney (Colour | 2.00:1); m. Murray Gold; ed. Chris…