You'll need to avoid the Old Man in Viridian City until you reach Cinnabar Island. After unlocking Cinnabar Island and a Pokemon that knows Fly, go back to the Old Man in Viridian City and speak with him, then he'll demonstrate how to catch a Pokemon. After the demonstration, you'll need to fly to Cinnabar Island. When you arrive at the front of Pokemon Center, head to the right till you reach the water on the east side, then use Surf. When you are on the Pokemon, go upwards and downward repeatedly until you enter a Pokemon battle. If you done this correctly, Missingno. will appear at level 132. However, when you catch it, it will turn into a different Pokemon.
No, you just need access to Cinnabar Island, Surf, and Fly.
In order to find Missingno, you have to have already reached Cinnabar Island. You can only do it that late in the game. After that, you go talk to that guy, then he will show you how to catch a Weedle, blah blah blah. Then you fly to Cinnabar Island and use the Surf technique on the far right edge of the island, on the part where you are not completely in the water but not on the land (the shaded area boardering the water). Moving up and down upon it will produce varying results, inculding the possibility of a Missingno.
You cannot get to Cinnabar Island from Fuchsia City. You have to surf south of Pallet Town to get to Cinnabar Island. Just remember, Blaine is not on Cinnabar Island.
red and blue, its the same, you talk to the old man in viridian city, have him show you how to catch a Pokemon, head to cinnabar island and surf on the right side of the island, up and down, until it appears. You may also run into extremely high leveled Pokemon as well, be care missingno is no joke.... Yellow removed missingno however, so don't try it. especially with gameshark, cuz you may corrupt you game or your gameshark.
you have to go to the right of cinnabar island and surf up and down the right side of the island on a lapras. If you do this for long enough then the missingno virus will appear. Don't catch it or your game will break. It broke mine. Nope, if you catch it, you'll be fine. I did it! you CAN put it in the p.c but do NOT put 2 in at once, it'll freeze the game. MissingNo is a cool pokemon. When you catch it, it'll have 2 water guns and some type of air attack. And again, it's OK to catch it. Have fun with your ne MissingNo's guys!
Surf 5 times around Cinnabar Island and go inside Pokemon mansion but it is a glitch; YOU WILL NOT BE ABLE TO CONTINUE YOUR GAME!
missingno is glitch that always works but you can only do it in red version speak to the old man in viridian city fly directly to cinnabar island surf around next to the gym
its in seafoam island not cinnabar
You will find it in the Pokemon mansion on cinnabar island.
I have an older version of LeafGreen and I didn't need to surf around the island i just went into the mansion at Cinnabar Island and he was on the 2nd floor and he's really hard to catch but if you get an old game from eBay its possible to get him. by: Man Spider27
If you catch missingno from the Cinnabar Csland glitch, nothing will happen, except, when you level it up, it evolves into Kangaskahn (teach it fly beforehand for some lols :D) But if you catch missingno from the lavender town glitch it will screw everything up, so don't!!
You can go from Fuscia City through the Seafoam Islands and surf to Cinnabar Island. Or you can go to Pallet Town and surf south to Cinnabar Island.