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

The Hangover (RTÉ One, 9.35pm)

So what if you’ve seen it a hundred times? Watch it again. The ultimate ode to lad banter, The Hangover follows a group of guys as they attempt to give their pal the stag weekend of a lifetime. You know the rest.

Horizon: Is Binge Drinking Really That Bad? (BBC2, 9pm)

Binge drinking is seen as a big problem in Irish and British culture – but doctors (and identical twins) Chris and Xand van Tulleken want to find out if it’s really bad for our health. The twins embark on a month of drinking to see how it affects their bodies. #horizon

Tyrant (RTÉ2, 10.50pm)

A new US import about the youngest son of a Middle Eastern tyrant, who is trying to escape his past by assuming a new identity in America. However, trouble arises when he returns home for a family wedding. #tyrant

Everybody’s talking about: Peter Dinklage

The Game of Thrones actor showed off his pipes in a GoT: The Musical bit for US Red Nose Day - here he is singing about the show’s gory deaths, while bigging up his character, Tyrion.

Or flick over for…

• The World’s Most Expensive Food (Channel 4, 8pm) Documentary about the caterers of super-rich families in the UK.
• The Iron Lady (More4, 9pm) Meryl Streep out-Streeps herself in this Oscar-winning Margaret Thatcher biopic.
• I Am Legend (ITV2, 9pm) Will Smith stars in this apocalyptic action flick.
• Murder in Successville (BBC3, 10pm) Odd new comedy in which a celebrity guest helps solve a ‘murder’.
• Mrs Henderson Presents (BBC2, 11.20pm) Dame Judi Dench is the widower who invests her fortune in a risqué theatre.