The Crown: Season 1, Episode 6: Gelignite

"There's no such thing as a blameless party in a divorce!"

So this is the one where Margaret isn't allowed to marry the man she wants because he's divorced (his wife left him) and, frankly, because he's a commoner. And all because the Queen is allowed, through the Royal Marriages Act 1772, to veto any of her relatives.' marriages before they're 25. It's hardly fair although, of course, the same could be said of hereditary succession. Being in the Royal Family is a (very) gilded cage. To be royal is not to be free. We end with the two sisters very much estranged.

That takes up most of the episode, but we also get some foreshadowing of Nasser's nationalisation of the Suez Canal courtesy of Ed Stoppard, who played Brian Epstein in Cilla; Stalin dying in the background; and Princess Margaret delivering a speech in Rhodesia at the end which is staggering in its casual racism. And it seems that Philip is spending less and less time with Elizabeth.

Dramatic and unusually self-contained as the episode is, it feels very much like foreshadowing...