Black Friday deals on London theatre ticket sales

There’s a lot of theatre ticket offers at the moment jumping on the Black Friday bandwagon, so here’s a list of the best of the deals available.
Most need booking by the end of this month to qualify for the special offer pricing.
Once you click on the option to book tickets, you may need to click a few times on the calendar to find the dates with the best prices that are also convenient for you to attend.Mary Poppins
The Mary Poppins the musical returns to London starring Zizi Strall