follow them and then capture them
No.
You can't
I don't think you can refight any legendary Pokemon except the wandering dogs.
They are not found in the wild in Pokemon Platinum.
# Articuno # Zapdos # Moltres # Mewtwo # and one of three legendary dogs (depending on your starter Pokemon)
wat
no
you dont
no.
By the way, they are the legendary cats, not dogs. The Pokemon Company revealed that Raikou is a tiger, Entei is a lion, and Suicune is a cheetah.
suicune, entei, raikou, 3 legendary dogs. then the birds, ho oh, lugia
No, Pokemon is just a show. you cant actually adot 3 "legendary dogs" in Pokemon sapphire