Here is The Ekans episode.
And here is a video of most Pokémon that should never been cut.
My partner would've been Lopunny because Lopunny has 140 in Base Friendship. Would've been as I rather look at Adult Fan Art than play a child friendly game.
And IF I could've chosen who had to be cut it would've been
Male Only or Female Only
Consisting Of Multiple Bodies body style
Consisting Of Only A Head body style
Consisting Of Only A Head And A Base body style
Consisting Of Only A Head And Arms body style
Any Pokémon tied to the above.
Gotta Breed 'Em All....