you cant catch venusaur in Pokemon blue you pick at the start of the game out of charmander bulbesaur and squirtle if you want venusaur you pick bulbesaur
This is completely impossible.
You can catch them in Viridian Forest as well as the Power Plant
Ekans cannot be caught in Pokemon Blue version. You need to trade one from Pokemon Red. Similarly, Sandshrew is exclusive to Pokemon Blue.
There's nothing left for you to do.
You can't catch him on that game, but you can catch him in Blue or Red version.
Venusaur, since its a starter. Or Victorybell.
blue mew is a shiny version of mew so you have to be very lucky to catch a shiny Pokemon let alone a shiny mew
There are no wild Starmie in Pokémon Blue Version; to obtain Starmie, use a Water Stone on Staryu.
theres no mewthree in red blue or yellow. you must play Chaos Black version to get it.
in blue rescue team you are a pokemon, so you cant catch pokemon, you are friends with them.
you cant its only on blue version so u will need to trade a friend who has one.
You could either trade from red/yellow version or I have heard rumors of videos that tell you about a glitch to catch him.