We all have that one friend who just loves to drop random facts into conversations, just to prove they know stuff. For Dermot, Dave is that friend!

If you’ve ever wondered why airports are laid out the way they are, what you can do at the speed of sound, or what colour eyes you’re best off having, then Dave’s World is the place for you.

Today it was all about film facts you probably didn't know.

"Draw me like one of your French girls" is a popular quote from the 1997 Box Office smash hit Titanic, but how did Kate ease Leonardo DiCaprio into that scene? You won't believe it, but it makes sense.

Dave also had a little nugget about Pretty Women, told us how Arnold Schwarzenegger terrified a café, revealed an Oscar-winning movie that only spent $250 on hair & makeup, and wowed us with some info from 2 famous space flicks. 

You can listen to the chat in full by pressing play in the image above the headline at the top of the page.