To get the National Pokedex, you must own at least 60 Pokemon. Then, beat the Elite Four. After doing so, go to Professor Oak's Lab and he will give you and your rival a National Pokedex.
After defeating the elite four and your rival with 60 different kinds of pokemon registered in your pokedex you will earn the national dex upgrade from Professor Oak when you reload your file.
Beat the elite four and become part of the hall of fame afterward let the game save then open your file again you should appear in pallet town prof oak should come and ask you for your pokedex if he see's you have registered 60 different Pokemon in it he will take you to his lab and upgrade it to the national mode now you can obtain and capture johto and hoenn Pokemon!
Beat the game with 60 Pokemon or more then talk to prof birch he will give you the national dex.
after you beat the elite four 2 times i think.
You must complete the Sinnoh Pokedex. (Fill every slot and see every Pokemon in Sinnoh.) Then go to Prof. Rowan and Oak will appear and give you the National Dex. Hope I've helped! .:Funkeheap15>.<:.
Right after you get the National Dex in Sandgem Town. After that he is Eterna City in the southern most house before you leave the city, on the left.
After you get the National Dex, talk to Prof. Oak in a house at Eterna City. He will give you the Up-Grade to evolve Porygon to Porygon2 through a trade.
You have to defeat the elite four also. Then go back to Prof. Oak, and he will give you the national pokedex. Hope that helped....
you have to beat all johto gym leaders beat the elite 4You just have to beat the final four and the champion and then prof oak will come after you be the champ and you get it
complete the johto dex then prof oak will give it to you.
You don't battle Prof. Oak.
regional dex: meganium prof. elm national dex: venasaur prof. oak
After completing the sinnoh dex, go to Prof. Rowan and Oak will arrive.He will give you the National Dex.
You get it from Prof. Oak once you beat the elite four. (You do not need to do anything, Prof Oak takes you to his lab and gives it to you)
The seventh sevii island, you have to get the national dex and talk to celio first. Need to catch 60 different Pokemon and talk to prof oak for national dex
For event items to work, you need to have completed the Sinnoh Dex and received the National Dex from Prof. Oak.
To get the national dex, you first have to have SEEN every Pokemon in the regular pokedex. Then talk to Prof. Rowan.Then Prof. Oak will barge in say some stuff then he upgrades your Sinnoh pokedex to the Nationaldex
beat the elite 4 then go to rowans lab in sandegm town and prof oak will come and upgrade your sinnoh dex into a natonal dex
You must see all the Pokemon in sinnoh and get the national dex. then prof oak will give it to you
when u finish the sinnoh dex you go to prof. rowan and talk to him then prof oak (from past games) will run in and talk to u than u will get the national dex
Do you mean the national Dex? If yes, then it is true. But you can get the national dex after you defeat Gary (Who somehow becomes the champion no matter how many times you battle him!) and Prof. Oak (The freaky guy in the lab coat) will give you the national dex. Oh, and it's firered. One word. Weird.