Odd One Out

[Zoroark Cutie]

Glalie is the only one who can't learn Surf.

Tangela, Yanma, and Piloswine

 

[Sirfetch’d]

Piloswine can't learn Giga Drain!

Reshiram, Zygarde, Rayquaza?

 

[blue]

Zekrom doesn't start with the letter R.

Pikachu, Graveler, Ponyta

 

[Sirfetch’d]

Ponyta isn't evolved!

Lapras, Drifloon, Onix?

 

[Zoroark Cutie]

Drifloon is the only one who is not weak to Fighting type attacks.

Sharpedo, Garchomp, and Venusaur

 

[Sirfetch’d]

Garchomp doesn't have a mega stone!

Blissey, Shuckle, Clefable?

 

[Lycanthropy]

Shuckle is the only one that has never been a normal type.

Golem, Regirock, Probopass

 

[Starry Windy]

Regirock is the only Legendary Pokémon among them all.

Emolga, Pachirisu, Furret.

 

[Sirfetch’d]

Furret isn't a single staged electric rodent!

Magnezone, Gengar, Flygon?

 

[Zoroark Cutie]

Flygon is the only one who's base Special Attack is not 130.

Gyrados, Ampharos, and Altaria

 

[Embernight]

Gyrados, cause you can't fish for Altaria and Ampharos.

Carbink, Dewott, Crobat

 

[Sirfetch’d]

Crobat is the only one immune to Ground attacks!

Jynx, Articuno, Charizard?

 

[Starry Windy]

Charizard is the only Fire-type Pokémon.

Magnemite, Togepi, Beldum.

 

[Zoroark Cutie]

Togepi is the only one who isn't genderless

Houndour, Pawniard, and Inkay

 

[Embernight]

Inkay, because it is the only one of the three captured by James in the anime.

Tyrunt, Kabuto, Shieldon

 

[Judge Mandolore Shepard]

Kabuto since it was introduced during an odd numbered gen, not an even numbered gen

Mewtwo, Arceus, Keldeo

 

[Sirfetch’d]

Mewtwo was the only one catchable in a cave!

Oddish, Roserade, Bulbasaur

 

[Zoroark Cutie]

Roserade is the only one who is fully evolved.

Drifblim, Chandelure, and Gourgeist

 

[Starry Windy]

Gourgeist varies in sizes unlike the other two.

Charizard, Talonflame, Blaziken.

 

[Judge Mandolore Shepard]

Talonflame is not a starter Pokemon

Greninja, Vaporeon, Starmie