DOCTOR WHO: THE WELL (TV) (2025, UK, 48m, PG) ****½ Sci-Fi, Fantasy, Adventure dist. BBC One; pr co. Bad Wolf/BBC Wales; d. Amanda Brotchie; w. Russell T. Davies, Sharma Angel-Walfall; exec pr. Russell T. Davies, Julie Gardner, Jane Tranter, Joel Collins, Phil Collinson; pr. Chris May; ph. Nick Dance (Colour | 2.00:1); m. Murray Gold;…