Professor Oak (anime)/History/Sun & Moon series

After winning a trip to the Alola region, Delia and Ash headed to Professor Oak's lab, where he received Ash's on-hand Pokémon and took the opportunity to entrust Delia with a Pokémon Egg. He asked her to deliver the egg to his cousin Samson Oak, at the Pokémon School on Melemele Island.

After meeting with Delia in Alola to New Adventure!, Samson made a video call to Professor Oak and notified him the egg arrived safely. Professor Oak did not tell Ash what Pokémon it was, so only after hatching in Getting to Know You! was it revealed to be a, which Samson kept.

Professor Oak reappeared again in Alola, Kanto!, where Ash,, Samson, and , who were all visiting Kanto, arrived at his lab.

Professor Oak appeared on television in Night of a Thousand Poses!.