You didn't see it in the movie, but this is what Harry Potter really saw in the pool of memories.
Who says you need a pool to go swimming?!
That's one hell of a fish! It's flopping all over the place, knock it out with something!
That did not go as planned. FAIL
Douchebag shows off at his massive house party.
I'm not sure if he actually pulled off the stunt that it would have been a better outcome...
That's one way to make an impressive escape.
I'd be scared once the lions show up.