There are several, I only know of two however; Holiday Hi-Jynx and Pikachu's Winter Vacation.
The name's Anabel.
The episode is "Shocks and Bonds".
Aiding the Enemy!
the name of the episode is The Keystone Pops!. it is the 56th episode of the Diamond and Pearl Series :3
Pokémon, Season-9 Episode- 36, All Pokemon Episodes- 458, Name-Thinning the Hoard
the episodes name is " Hoenn Alone...!".its episode no is 276
POkemon episode Hatching up a plan
Pokemon, i choose you!
The name of the episode is Big Time Christmas
The name of the Rocko's Modern Life Christmas special is Rocko's Modern Christmas.
The name's Anabel.
The episode is "Shocks and Bonds".
the episode that ashs grovyle evolves is odd Pokemon out that's the name of the episode and the season is battle frontier
the episode is called christmas for two
balleris
Pikachu's Goodbye.
There are a lot of episodes