Kev & Rob are surprisingly okay with "Tomorrow and Tomorrow and Tomorrow"'s revelations about where exactly in the timeline certain ill-fated experiments took place. In celebration, they explore two other significant rewritings, or retrospective continuity changes (retcons) that Star Trek has indulged in in the past, including "Affliction" and "Divergence" (ENT), and "The Host" (TNG).

SNW 2×03 Tomorrow and Tomorrow and Tomorrow

TOS 3×23 All Our Yesterdays

Eugenics Wars

Doctor Who 6×06 A Good Man Goes to War

James T. Kirk

Khan Noonien Singh

TOS 1×28 The City on the Edge of Forever

ENT 4×15-16 Affliction & Divergence

DS9 5×06 Trials & Tribble-ations

ENT 4× Borderland, Cold Station 12, The Augments

TNG 4×23 The Host

Jadzia Dax

DIS 3×04 Forget Me Not

DS9 1×08 Dax

VOY 2×15 Threshold

Music: Distänt Mind, Brigitte Handley