How to Catch Celebi in Pokémon Go
By Andrew Lin

How to catch Celebi in Pokémon GO requires going through some quests. Celebi's Special Research is called A Ripple in Time, and is the second of Special Research tasks.
Attention, Trainers! Now’s the time to help Professor Willow find Celebi. New Special Research is now available worldwide! Let’s GO! #SearchForCelebi pic.twitter.com/6dabE2yW11
— Pokémon GO (@PokemonGoApp) August 20, 2018
To get A Ripple In Time, you'll need to have completed the third stage of the Mew Special Research. Celebi's quest is quite long, so be sure to know each tier so you can evolve and catch your Pokémon to make the most of it.
How to Catch Celebi in Pokémon Go
Part 1
- Power up Pokémon 5 times. - 1000 XP
- Battle in a Gym 2 times. - 1000 XP
- Battle in a Raid. - 1000 XP
Part 2
- Make 3 new Friends. - 1500 XP
- Evolve an evolved Grass-type Pokémon. - 1500 XP
- Catch a Pokémon 3 days in a row. - 1500 XP
Part 3
- Reach level 25.- 2000 XP
- Use a Sun Stone to evolve Gloom or Sunkern. - 2000 XP
- Hatch 9 Eggs. - 2000 XP
Part 4
- Walk 10 km with Eevee as your buddy to earn Candy. - 2500 XP
- Evolve Eevee into Espeon during the day. - 2500 XP
- Send 20 Gifts to friends. - 2500 XP
Part 5
- Walk 10 km with Eevee as your buddy to earn Candy. - 3000 XP
- Evolve Eevee into Umbreon at night. - 3000 XP
- Trade a Pokémon. - 3000 XP
Part 6
- Visit PokéStops a 7 days in a row. - 3500 XP
- Use 25 Pinap Berries while catching Pokémon. - 3500 XP
- Use items to evolve Pokémon 2 times. - 3500 XP
Part 7
- Catch 40 Grass- or Psychic-type Pokémon. - 4000 XP
- Make an Excellent Curveball Throw. - 4000 XP
- Earn a gold Johto medal. - 4000 XP
After completing Part 7, you'll be able to catch Celebi. It will teleport around the screen, but there's no time limit and you have unlimited Balls to use.
Part 8
- Claim Reward. - 4500
- Claim Reward. - 4500
- Claim Reward. - 4500