[That's a problem. And it's hot, so the smell's rising, but....]

Return them all to their PokéBalls.

[He lets Houndoom and Pupitar do their thing - they're valiantly trying to keep both humans from getting swarmed by Muk - to toss a couple more PokéBalls in the air.

Out come Beedrill and Butterfree.]

Bug-type Pokémon can't defeat these opponents. But they can carry your Pokémon into the trees. The smell might not have spread that far.