There are 107 new Pokemon in Generation 4 (without counting multiple forms). In October 9, 2018, the official Pokemon Go Twitter account posted a Tweet with a video teasing Generation 4 Pokemon. No date was given and a few more Tweets with information about the Sinnoh region starters were posted every few days.
On October 26, 2018 we were surprised by a sudden release of new Pokemon without warning.
Here is the list of Generation 4 Pokemon released so far.
10/16/18 – First Wave: 26 new Pokemon
- Turtwig
- Grotle
- Torterra
- Chimchar
- Monferno
- Infernape
- Piplup
- Prinplup
- Empoleon
- Starly
- Staravia
- Staraptor
- Bidoof
- Bibarel
- Kricketot
- Kricketune
- Shinx (Tier 1 raids and 10 km eggs only) (may be shiny)
- Luxio
- Luxray
- Pachirisu (Regional – North hemisphere)
- Buneary
- Lopunny
- Chatot (Regional – South hemisphere)
- Riolu (10 km eggs only)
- Lucario
- Carnivine (Regional – Caribbean and Southeast US)
10/23/18 – Halloween event: 6 new Pokemon
- Drifloon (may be shiny)
- Drifblim
- Stunky
- Skuntank
- Spiritomb (limited time Special Research 10/23/18 – 11/1/18)
- Giratina (Tier 5 raids)
11/6/18 – New additions: 3 new Pokemon
- Buizel (Wild, Tier 1 raids)
- Floatzel
- Budew (5 km eggs) (may be shiny)
11/14/18 – First wave of Sinnoh Stone evolutions: 11 new Pokemon
- Rhyperior
- Magmortar
- Electivire
- Togekiss
- Honchkrow
- Migmagius
- Gliscor
- Weavile
- Porygon-Z
- Roserade
- Dusknoir
11/20/18 – Legendary Pokemon rotation: 1 new Pokemon
- Cresselia (Tier 5 raids)
12/18/18 – Holiday 2018 event: 14 new Pokemon
- Snover
- Abomasnow
- Croagunk
- Toxicroak
- Bronzor
- Bronzong
- Skorupi
- Drapion
- Finneon
- Lumineon
- Chingling (7 km eggs)
- Munchlax (7 km eggs)
- Mantyke (7 km eggs)
- Heatran (Tier 5 raids)
1/29/19 – Legendary Pokemon rotation: 1 new Pokemon
- Palkia (Tier 5 raids)
2/1/19 – New Sinnoh wave: 16 new Pokemon
- Ambipom (Sinnoh Stone)
- Lickilicky (Sinnoh Stone)
- Tangrowth (Sinnoh Stone)
- Yanmega (Sinnoh Stone)
- Gallade (Sinnoh Stone)
- Froslass (Sinnoh Stone)
- Cranidos
- Rampardos
- Shieldon
- Bastiodon
- Combee
- Vespiquen
- Glameow
- Purugly
- Bonsly (baby)
2/13/14 – Valentine’s Day Celebration: 1 new Pokemon
- Happiny (7 km eggs)
2/14/19 – Community Day: 1 new Pokemon
- Mamoswine
3/1/19 – Legendary Pokemon rotation: 1 new Pokemon
- Dialga (Tier 5 raids)
4/29/19 – Legendary Pokemon released in the wild: 3 new Pokemon
- Azelf (wild Legendary)
- Uxie (wild Legendary)
- Mesprit (wild Legendary)
They were released as regional Tier 5 raid bosses on 5/2/19
5/19/19 – Last wave of Sinnoh Pokemon: 16 new Pokemon
- Shellos
- Gastrodon
- Cherubi
- Cherrim
- Burmy
- Wormadam
- Mothim
- Gible
- Gabite
- Garchomp
- Hippopotas
- Hippowdon
- Magnezone (Magnetic Lure)
- Probopass (Magnetic Lure)
- Glaceon (Glacial Lure)
- Leafeon (Mossy Lure)
Generation 4 Pokemon released so far: 99
Stay tuned as this list gets updated with new Pokemon releases! How many Sinnoh Pokemon have you caught so far?