You have to save the game near zapdos and if you fail to capture him the first time, just turn it off and on again until you catch him. I would use psychic, flying, and fire on him (but that's just me).
Can't catch zapdos in sapphire
Ive already used my one masterball. Ive tried about 600 ultra balls and cant seem to catch my zapdos. My Pokemon tried to put zapdos to sleep but every turn it goes first and the zapdos kills my Pokemon's even with a quick claw..... i dont know what else to do.
You can only catch Zapdos in Crystal by cheating. otherwise it is not in the game
to catch zapdos in pokemon black you have to have every legendary pokemon
catch Zapdos or Articuno
Zapdos is one of the legendary Pokemon which means it's tougher to capture then the wild Pokemon you find easily in the grass but yes you can catch it, you just need time and patience and plenty of ultra balls.
you might not be able to catch a zapdos in those games but if you have fire red you can catch him at the power plant once you have surf and then transfer it on to your other game.
There are many reasons that you might not be able to catch Zapdos. You should try putting him to sleep before attempting to capture.
weaken Zapdos as much as you can then throw a master ball at it which can be bought at the pokemart/pokeshop
You can catch Zapdos in any ball you like, however dusk balls would be ideal in this situation as they provide a much higher catch rate.
u can catch it when u catch articuno moltries and zapdos
Zapdos can be found in the last area of the Power Plant. To catch it, you can certaintly wait until you recieve the Master Ball from the Silph Co. President. Zapdos will be caught no matter what. Otherwise, you will have to train your other Pokemons to at least level 40 or higher to be able to lower Zapdos' HP down (Zapdos is Level 50). Then have a Pokemon that can put Zapdos to sleep which will enable the chance to catch it (Zapdos will dodge the ball if not asleep). It is recommended that you use Ultra Balls to have even a chance to catch it. Stock up on Potions and Ultra Balls, and you should be able to catch Zapdos sooner or later.