At the beginning of the game, Professor Oak is in Mr. Pokemon's house. Mr. Pokemon's house is north of Cherrygrove City. After that, Professor Oak is in Pallet Town in his Pokemon lab.
What the hell is a Pokemon crystal
in Route 224
After you meet him in Mr. Pokemon's house you can again find him in Pallet Town located in Kanto.
Pikachu was in the Poke Ball that Ash had received from Professor Oak.
From professor Oak? obviously.
Pikachu is the starter Pokemon for Pokemon Yellow. You get he/she at Professor Oak's Lab in Pallet Town.
At the beginning of the game, Professor Oak is in Mr. Pokemon's house. Mr. Pokemon's house is north of Cherrygrove City. After that, Professor Oak is in Pallet Town in his Pokemon lab.
What the hell is a Pokemon crystal
You can find professor Oak, in Pallet town for older Pokemon games. For most of the Pokemon games there isn't any professor oak you can only find professor Rowan in Samage town.Usually in some places in the Pokemon world, you can find Dawn in front of one of the places were one of the professors work.
In pallet town and he gives you the pokedex and your pikachu
By the tree.
in Route 224
In Pokemon Yellow, the only obtainable Pikachu is the one you receive from Professor Oak. You have to cheat or trade to obtain another Pikachu.
professor oak gives it to you
he is in pallet town in his lab
you have to see 150 Pokemon then talk to professor oak..