In the safari zone in cianwood city. after you have completed the first task for the owner of the safari zone. Switch the safari zone so that it has the forest map in it. At night you can catch misdreavous in the forest map. You can also catch misdreavous in the cave before the safari zone at night.
In HeartGold, I caught mine in the Dark Cave. You can also get them in Cerulean Cave.
You can't get to the Hoenn region in HeartGold or SoulSilver. However, Latias can be caught in HeartGold, which is a legendary from Hoenn.
Darkrai cannot be caught or encountered in HeartGold or SoulSilver Versions.
I caught it in Seafoam Island. (:
Regirock cannot be caught or found in Pokémon HeartGold.
lugia and ho-oh. both can be caught in both soulsilver and heartgold
Regice can not be caught in HeartGold or SoulSilver. It can however be caught in Platinum, Ruby/Sapphire, and Emerald.
Yes, Snubbull can be caught in Pokémon HeartGold in Route 38 even without a Snubbull Swarm occurring.
Yes, I caught one in the Heartgold version.
Mew cannot be caught in HeartGold. Mew cannot be caught in SoulSilver, either. The only two ways you can get Mew are by trading for it or by getting one through a Nintendo event. It will be easier if you trade for one.
Gligar can only be caught in HeartGold. He is on Route 45. Otherwise, you will have to trade for him.cant u have trade it over from heartgold
Pokemon SoulSilver and HeartGold:Pokemon not Caught in SoulSilver:Spinarak.Ariados.Growlithe.Arcanine.Mankey.Primeape.Gligar.Phanpy.Donphan.Mantine.Sableye.Baltoy.Claydol.Kyogre.Mantyke.Gliscor.glaceonleafeonPokemon not Caught in HeartGold:Ledyba.Ledian.Vulpix.Ninetales.Meowth.Persian.Delibird.Teddiursa.Ursaring.Skarmory.Mawile.Gulpin.Swalot.Groundon.-Lil Kurt Cobain "Hope it Helps"