[s11e5] The Tsuranga Conundrum May 2026

: A male Gifftan patient in the late stages of pregnancy, who is assisted by Ryan and Graham during labor. Ronan (David Shields) : Eve Cicero’s android attendant. Key Themes and Reception Doctor Who - Facebook

The ship is soon infiltrated by a , a tiny, indestructible alien that consumes non-organic matter, including the ship's internal systems and energy sources. The situation becomes a "conundrum" when the Doctor realizes that if the Pting damages the ship's power source, the remote station will remotely detonate the Tsuranga to prevent a catastrophic explosion. The Doctor eventually defeats the creature by "feeding" it a bomb intended to destroy the ship, utilizing its high energy to satisfy the Pting's hunger before ejecting it into space. Cast and Key Characters [S11E5] The Tsuranga Conundrum

: An inexperienced junior medic who must step up after Astos's death. : A male Gifftan patient in the late

: A celebrated former military general suffering from a life-threatening heart condition. The situation becomes a "conundrum" when the Doctor

: Jodie Whittaker as the Doctor , Mandip Gill as Yaz , Tosin Cole as Ryan , and Bradley Walsh as Graham .

While scavenging on a junk planet, the Doctor, Yaz, Graham, and Ryan are injured by a sonic landmine and rescued by the , an automated medical ship traveling to the Resus One space station.