Your sweet tooth can get you into trouble. Lots of trouble.

Changing the gender of the title character “highlights the way in which women still operate in a world designed by and for men,” argues Chris Bush, whose reimagining of Marlowe’s play premieres at the Lyric ahead of a UK tour.

Uncle Vanya must surely be the closest, the most essential of Chekhov’s plays, its cast – just four main players who are caught up in the drama's fraught emotional action, and four who are essentially supporting – a concentrated unit even by the playwright's lean standards. Its overlapping strands of unrequited love and desperate loneliness are tightly wound, so organically so that any single false note risks throwing the whole off balance.

Cormac McCarthy’s two-hander, premiered at Chicago's mighty Steppenwolf Theatre in 2006, has by this point been everything short of an ice ballet: a self-described “novel in dramatic form”, as one might expect from the American author of such titles as All the Pretty Horses and The Road, followed by a film made for TV directed by, and starring, Tommy Lee Jones, opposite Samuel L Jackson.

History plays should perform a delicate balancing act: they have to tell us something worth knowing about the past, that foreign country where they do things differently, and also something about our current preoccupations. Otherwise, what's the point?

Last night, I discovered the gasp index. Or maybe just re-discovered. The what? The gasp index. It's when you see a show that keeps making you exhale, sometimes audibly, sometimes quietly. Tonight I gasped about five times, then I stopped counting – I was hooked. I was obviously in the right place: the Royal Court has the reputation of being a powerhouse (to use a marketing term) of new writing.

Armageddon would appear to be at the gates in Sam Steiner’s intriguing if ramshackle play, a co-production between Paines Plough and Theatre Royal, Plymouth, that has reached London while still seeming a draft or so away from achieving its full potential. Inside a Samaritans-like call centre called Brightline, pregnant work supremo Frances (Jenni Maitland, chipper to a fault) is trying to keep the mood light.

“Take our country back!” is the rallying cry of the self-identified “real” Americans gathered to protest the arrival of immigrants.

Do you hear the people sing? In recent months, you're more likely to have heard news stories about the longest running West End musical than the actual music. Stephen Sondheim – who celebrates his 90th birthday in March – missed the gala opening of the venue which has been renamed after him (formerly the Queen's), due to a fall – and some Les Mis singers have been pulling out as rapidly as champagne corks.

Scrounger is no comfortable evening in the theatre, for reasons both intentional and inadvertent. Athena Stevens’ new play recounts her 2016 battle with British Airways and London City Airport, who subjected her to the humiliation of being taken off a flight to Edinburgh because they couldn’t fit her custom-built electric wheelchair into the hold.