Unova Region, Castelia City.
Not long after Ash and Brock landed at Castelia Airport,
they encountered one of Unova's legendary Tao Trio, the one that represented yin in yin and yang:
the Dragon of Ideals-Zekrom.
Of course, Ash and Brock had only seen a vague black silhouette amid the dark clouds,
and had no idea it was Zekrom.
To protect Ash and Brock,
Pikachu had absorbed Zekrom's Fusion Bolt, briefly overloading his electricity.
Ash shared what they had seen with his mother, Delia, who had come to meet them, and Professor Oak.
"But all we could see from inside the terminal was a mass of dark clouds."
Ash still couldn't let it go.
"What on earth was it?"
Just then, a youthful voice interrupted Ash's thoughts.
"Professor Oak, sorry I'm late."
Before them stood a female professor with her long brown hair pinned up, wearing a white T-shirt beneath a blue researcher's coat.
Professor Oak laughed heartily.
"It's all right, Professor Juniper."
Professor Oak introduced Professor Juniper to Ash and Delia.
"This is Professor Juniper. She studies the origins of Pokémon and has made some very impressive academic achievements."
Professor Oak had come at Professor Juniper's invitation.
At the sight of the intellectual Professor Juniper,
Brock was instantly possessed by his love of older women...
But before Brock could take Professor Juniper's hand, Croagunk's Poison Point had already jabbed into him.
"P-... paralyzed..."
The little interlude soon passed, and everyone got into Professor Juniper's car to head for her laboratory.
Along the way, Ash saw some Pokémon he had never encountered on his travels.
As they headed to the laboratory, electricity kept spilling uncontrollably from Pikachu's electric sacs.
Professor Juniper said, "Let's examine him once we get to the laboratory."
Brock, who had already come around, suggested, "Why not ask