While many iconic shows have reached a fifth episode in their sixth series, the specific "[S6E5]" tag is most famously associated with intense, penultimate chapters of acclaimed British dramas. Below are useful summaries and talking points for the most notable "Series 6, Episode 5" releases.

Lady Diana Mitford intentionally reveals she slept with Tommy to humiliate Lizzie during a tense dinner with Oswald Mosley and Jack Nelson.

Dealing with his terminal tuberculoma diagnosis, Tommy is on a warpath to settle his affairs, including introducing his illegitimate son, Duke, to the family business.

Titled this episode sets the stage for the series finale.

This episode is legendary for one of the show's most agonizing cliffhangers.