[s6e8] Let's Kill Hitler ❲Extended ★❳

: A shape-shifting justice robot crewed by miniaturized humans from the future arrives to punish Hitler. However, they shift their focus to River, identifying her as the "greatest war criminal in the universe" for her future role in killing the Doctor.

: While biologically human (conceived in the Time Vortex), medical scans in this episode suggest River may have two hearts , mirroring Time Lord physiology. Episode Significance River Song | Tardis - Doctor Who Wiki [S6E8] Let's Kill Hitler

: The Doctor gives River her iconic blue TARDIS-shaped diary , marking the beginning of their complicated, "backwards" timeline together. : A shape-shifting justice robot crewed by miniaturized

: Amy and Rory's childhood friend Mels is revealed to be their daughter, Melody Pond . After being shot by Hitler (who is promptly shoved into a cupboard), Mels regenerates for the first time on-screen, becoming the woman known as River Song . Episode Significance River Song | Tardis - Doctor

: It is revealed that the TARDIS itself taught River how to pilot it, which explains why she is often more proficient than the Doctor.

: After seeing the Doctor’s kindness and learning about her parents' love for her, River uses all her remaining regeneration energy to bring him back to life, becoming fully human in the process. Character Revelations

: Brainwashed by the Silence, River poisons the Doctor with "Judas Tree" venom, which prevents regeneration.