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

How to Be Happy (RTÉ One, 9.35pm) 

Irish psychologist Dr Maureen Gaffney takes on the happiness of the nation and builds on the success of her book Flourishing. She believes that 40 per cent of your good feeling can be influenced by your own actions, and she’s going to show us how. #HTBH #HowToBeHappy

Horizon: Where is Flight MH370? (BBC TWO, 9pm) 

This hour long special takes a look at the story so far behind the disappearance of Malaysia Airlines Flight MH370, which vanished on 8 March. #MH370

The Girl Who Talked to Dolphins (BBC 4, 9pm) 

You’ve seen a few stories around this week about a woman who had a sexual relationship with a dolphin, right? Well, now’s a chance to hear her story. Margaret Howe Lovatt says she had a romantic relationshop with a dolphin named Peter while working with him in the 1960s. #TheGirlWhoTalkedToDolpins #TGWTTD 

Who’s playing tonight? 

• Belgium v Algeria 5pm
• Brazil v Mexico 8pm
• Russia v South Korea 11pm

Everyone’s talking about: #XFACTOR

The X Factor 2014 auditions are underway and we’ve finally got a look at the judges and their all important seating positions.

ITV ITV

Er, has Simon done an eggy fart or something? Talk about body language!

Cheryl had already said that she wouldn’t sit beside Louis, so it looks like she got her way.

Or switch over for…

• Hitler’s Jurassic Moments (National Geographic, 8pm) Did you know Hitler employed scientists to recreate extinct animals? You do now! 
• First Dates (E4, 10pm) The best of car crash/heartwarming telly
• Penny Dreadful (Sky Atlantic, 9pm) Filmed in Dublin, stars Josh Harnett and Eva Greene. What more do you want?
• The Auction House (Ch 4, 9pm) First in a new series, featuring Britain’s ‘strangest auction house’ apparently
• Lebanon (RTÉ Two, 1.15) An Israeli tank is sent into a hostile town in Lebanon. Fantastic film from Samuel Maoz