DailyEdge.ie rounds up the TV shows that you’ll be tweeting about tonight and talking about tomorrow. 

Gunpowder (BBC One, 9.10pm)

Game of Thrones’ Kit Harington stars as Robert Catesby, who planned the failed Gunpowder Plot alongside Guy Fawkes. In this episode, the plotters all assemble together for the first time. #gunpowder

Harry Potter: A History of Magic (BBC2, 9.15pm)

Imelda Staunton (AKA Professor Umbridge) narrates this documentary about the things that inspired JK Rowling as she crafted the world of Harry Potter. Expect to see some familiar faces telling some stories of their own. #ahistoryofmagic

When Harry Met Meghan (Channel 4, 9pm)

We understand that this might divide people. But for the people who are into it: Here’s a documentary about Meghan Markle, actress and probable future spouse of Prince Harry. Who is she? How’d they get together? All will become clear. #whenharrymetmeghan

Everybody’s talking about: The Crown

Ian West / PA Wire Ian West / PA Wire / PA Wire

With Claire Foy’s tenure as the young Queen Elizabeth coming to a close in the second season of the drama, the actress taking over the role is… Olivia Colman!

The beloved star of Broadchurch, Peep Show et al previously played Liz in the film Hyde Park on Hudson, and will portray the Queen from 1956 to 1963. This is very good news indeed.

Or flick over for…

• Strictly Come Dancing (BBC1, 6.35pm) The 11 remaining couples participate in the show’s annual Halloween special.
• The X Factor (TV3, 8.20pm) It’s the start of the live shows! Watch out for our own Sean and Conor Price.
• Die Hard 2 (RTÉ2, 9.10pm) The sequel finds John McClane (Bruce Willis) trying to stop terrorists who have taken an airport hostage.
• Killing Bono (TG4, 9.30pm) Comedy about Irish brothers who want to be rockstars, but can only look on as their pals U2 make it big.
• The Ray D’Arcy Show (RTÉ One, 9.45pm) Masterchef’s Gregg Wallace, fashion designer Brendan Courtney and Robot Wars’ Angela Scanlon are on.