>> Saba Hamedy: Hey guys, Saba Hamedy here, reporter for Mashable.com, and we're

on the red carpet for Harry Potter's world opening at Universal Studios Hollywood.

We're super excited because we have some trivia lined up for

the stars as they walk the carpet.

Mashable's mischief, not yet managed.

Saba with Mashable.

>> Tom Felton: How are you doing?

>> Saba Hamedy: Good, how are you?

We have some Harry Potter trivia for you.

>> Tom Felton: Don't. >> Saba Hamedy: [LAUGH]

>> Tom Felton: You're gonna catch me out

and then fans will hate me forever.

>> Saba Hamedy: Okay. Which of the following is not

a Death Eater?

A, Barty Crouch Jr. B, Bellatrix, C, Barty Crouch Sr. or D, Severus Snape?

>> [MUSIC]

>> Tom Felton: Severus Snape.

>> Saba Hamedy: No, he is, he is.

>> [INAUDIBLE] >> Saba Hamedy: [LAUGH] Okay, okay.

True or false, Professor Binns teaches history of magic?

>> Warwick Davis: I think that's false.

Is it true?

>> Saba Hamedy: It's true. [LAUGH] [CROSSTALK] [LAUGH]

>> Warwick Davis: I'll take it over from

that but you got me on that one.

>> Saba Hamedy: [LAUGH] >> Warwick Davis: You got me

on that one, I think.

Is that in the book, where did that come from that question?

>> Saba Hamedy: In the book.

>> Warwick Davis: Okay, it must have been those pages must have been stuck together,

I don't know where that comes from.

>> Saba Hamedy: Which of the following is not a Death Eater, A, Barty Crouch Jr, B,

Bellatrix Lestrange, C, Barty Crouch Senior, or D, Serverus Snape?

>> Speaker 4: C Barty Crouch Sr. >> Saba Hamedy: You got it, wow.

Are you the biggest Harry Potter fan?

>> Ed O'neil: I had no idea.

[LAUGH] >> Speaker 6: We do now.

>> Saba Hamedy: Did you guys have any idea?

>> Ed O'neil: No. >> Speaker 6: I have a bad

memory for names, so.

>> Evanna Lynch: I love these little games.

>> Saba Hamedy: Okay, I'll do one more real quick.

True or false, the room of requirement was on floor six of Hogwarts?

>> Evanna Lynch: Was it floor three?

>> Saba Hamedy: You're right but it's false.

>> Evanna Lynch: False. >> Saba Hamedy: But it was floor seven.

>> Evanna Lynch: Floor seven, okay.

>> Saba Hamedy: [LAUGH] Thank you.

First one.

Who's older, Fred or George?

>> Oliver Phelps: Fred. >> [INAUDIBLE]

>> Oliver Phelps: Am I right, yeah okay.

I knew that, I knew that.

It wasn't a guess, it wasn't a guess.

>> Saba Hamedy: You had to know?

[LAUGH] How many points does the team who catches the snitch get?

>> Tom Felton: A hundred?

>> Saba Hamedy: One hundred-fifty.

>> [LAUGH] >> Tom Felton: As you can see,

I am just shipshape with my Potter knowledge.

Thank you for embarassing me.

Have a good evening.

>> Saba Hamedy: Thank you, you too.

What was Dudley's favorite desert?

A, a chocolate frog, B, a banana split, C, Knickerbocker glory, or D, pumpkin pastry?

>> Chris Hardwick: Knickerbocker glory sounds like a disgusting act.

Did he like banana splits, didn't he?

>> Saba Hamedy: No, Knickerbocker glory is the giant

sundae that [CROSSTALK] [LAUGH] Yeah it is, yeah it is.

>> Chris Hardwick: Yeah he gave him one, yeah he did.

>> Saba Hamedy: [LAUGH] Cuz he couldn't finish it.

>> Chris Hardwick: Couldn't finish it.

>> Saba Hamedy: Yeah. >> Chris Hardwick: It was too big.

>> Saba Hamedy: [LAUGH] Thank you so much.

>> Chris Hardwick: Thank you very much.

>> Speaker 10: [SOUND] I'll race you.

>> [SOUND] >> Speaker 11: Samsung's next big thing or

things, as I should say, are here and they're called the Galaxy S7 and S7 Edge.