In front of his house

"Thud!! What was that about?! Oh, hey, Alistair! Hey! I'm going to the lake! You come too! And be quick about it! OK, Alistair? I'm fining you 1 million if you're late! Oh, jeez! Forgot something!"

his room

"...I'd better take my Bag and Journal, too... Oh, hey, Alistair! We're going to the lake! I'll be waiting for on the road! It's a 10 million fine if you're late!"

"Hey, you saw that news report that was on TV, right? You know, "Search for the Red Gyarados! The mysterious appearance of the furious Pokémon in a lake!" That show got me to thinking. I'll bet our local lake has a Pokémon like that in it, too! So, that's what we're gonna do. We'll go find a Pokémon like that!"