I have a theory. There are three spongebob timelines. Tv show , 1st and 2nd movie, and the 3rd and kamp coral. When spongebob goes back in time in the second movie. Other evidence include Patrick new show with the tv show animation. That would explain all 3 interactions with Neptune. reddit.com/gallery/lyrc03
Redditors be like Mr Krabs “Put it all on Neptune”
King Neptune: [stretches his eyes out] You, go to Shell City? [laughs while stretching his eyes out again] No one who's gone to Shell City has ever returned. What makes you think you could? You're just a kid. [throws SpongeBob to the floor]
Making a meme out of every pre-movie SpongeBob episode: Neptune's Spatula
Thanks Neptune she said yes to Prom!
What if you get corona, and Neptune said, "you're gonna get it again"?
Oh Neptune ,I didn't knew that
Neptune’s Spatula Neptune > Movie Neptune
Oh Neptune. What have I done.
What in the name of Neptune?
I’m gonna report you to the highest authority in the land, King Neptune
King Neptune is never wrong
The Virgin Black Ariel vs the Chad Black Neptune
It's my cake day. Time to pray to King Neptune for karma
Oh Neptune what have I created
Oh Neptune, Here We Go Again.