You can't catch mew at all in any of the games unfortunately. You can only get it through the use of an AR or game shark or stuff like that.
Get an Action Replay.
you get him on fereaway island
There is no possibility of getting a Mew in Pokemon fire red version.. but it can be obtained through the Action replay code or a Nintendo event....
So far only 5 games get the opportunity to capture mew in some way: Red version, Blue version, Yellow version, Emerald version and My Pokemon Ranch.
island 7.you have to get a special s.s.ticket from somewhere.
Mew does not exist in Ruby version.
Pokemon Dark Cry version.
There are 25 episodes altogether in the English version (Mew Mew Power) and there are 52 episodes in the Japanese original version (Tokyo Mew Mew)
You can`t get it anywhere.The only game you can get it in is Red Version by doing a glitch.
You can't find only to trade from yelow/red/green.
Red and blue. It's also possible to get it in gold and silver, but very unlikely.
Gameshark Code: 0115D8CF Its the only way possible to do this anymore. This code works for Red too. Yellow Version Mew: 0115D7CF