How does our Sinnoh Pokémon trainer girl end up stripped?

Camping in the woods

It was a warm nice evening as Dawn was out in the woods traveling with her Piplup, Pokémon and Ash and Brock. As she was out in the woods with her Pokémon, Brock was putting the tents up as it was soon greeting dark. Ash was setting up the campfire and getting some fresh water as they was a lake nearby.

Both Piplup and Pikachu were resting on the hill until Piplup accidentally rolled over Pikachu which made him a litter mad, pikachu used a weak Thunder Shock on Piplup which made him upset, Piplup used a peck attack with his beck on Pikachu. Both Pokémon were now in a fighting stance.

Both Ash and Dawn went over to their Pokémon trying to see what was going on. “What is with you Piplup?” Dawn asked as both Piplup and Pikachu were arguing with each other.