If you were looking for the article about the episode, then see "F.U.N."
If you were looking for the article about the Patrick Star Show episode, then see Fun and Done.
The "F.U.N. Song" is a song about friendship. SpongeBob sings it to Plankton in an attempt to teach him about the underlying qualities of what friendship really means, in the episode "F.U.N."
10b. "F.U.N." - Title card; SpongeBob and Plankton singing the F.U.N. Song.
271b. "C.H.U.M.S" - Music on SpongeBob's headphones; Music on SpongeBob's headphones again; SpongeBob checks the hose and sprays himself.
Lyrics
TV version
SpongeBob: It's not about winning, it's about fun!
Plankton: What's that?
SpongeBob: Fun is when you... fun is... it's like... it's kinda... sorta like a... What is fun? I... Let me spell it for you.
F is for friends who do stuff together
U is for you and me
N is for anywhere and anytime at all
Clams and Scallops:Down here in the deep blue sea!
Plankton:F is for fire that burns down the whole town!
U is for uranium... bombs!
N is for no survivors when you...
SpongeBob: Plankton! Those things aren't what fun is all about! Now do it like this.
F is for friends who do stuff to-
Plankton: Never! That's completely idiotic!
SpongeBob: Here, let me help you.
F is for friends who do stuff together
U is for you and me... Try it!
Plankton:N is for anywhere and anytime at all
Clams:Down here in the deep blue sea!
Plankton: Wait, I don't understand this. I feel all tingly inside. Should we stop?
SpongeBob: No, that's how you're supposed to feel!
Plankton: Well, I like it! Let's do it again!
SpongeBob: Okay!
Both:F is for frolic through all the flowers
U is for ukulele
N is for nose picking, sharing gum, and sand licking
Here with my best buddy!
[Both laugh in time with song]
Mr. Krabs: Arrgh, mutiny.
Paramount Parks version
SpongeBob: [laughs] Okay everyone, it's in the key of fun! Sing it!
F is for friends who do stuff together
U is for you and me
N is for anywhere and any time at all
Down here in the deep blue sea! Plankton?
Plankton:F is for fast food that clogs up your arteries!
SpongeBob:U is for you and me...
Plankton:N is for nowhere and no place to hide from Plankton's invincibility!
SpongeBob: Hey hey hey!
Plankton: Never! It's completely idiotic!
SpongeBob: Then let's be idiots!
Both:F is for friends who do stuff together
U is for you and me
N is for anywhere and any time at all
Down here in the deep blue sea!
SpongeBob: Last chance!
Both:F is for friends who do stuff together
U is for you and me
N is for anywhere and any time at all
Down here in the deep blue sea!
Plankton: Yeah!
SpongeBob: Thank you Paramount Parks! Yeah!
Trivia
Clips from this song were used during bumpers that aired during the Eight-Hour marathon.
The instrumental of this song is used in the title card for "F.U.N."
In the Croatian dub, 'F.' stands for "Frend," translating to "Friend," 'U.' stands for "Zauvijek," translating to "Forever," and 'N.' stands for "Nikad," translating to "Never."
In the French dub, 'F.' stands for "Farces," which translates to "Pranks."
The clams' mouths do not move in sync with the song.
The instrumental version of this song originally accompanied the SpongeBob balloon at the Macy's Thanksgiving Day Parade, until around 2014 when it was replaced by an instrumental arrangement of the theme song.
The instrumental version of this song as well as the title card for "F.U.N." is used as music on the first episode selection screen on disc 1 of The First 100 Episodes and The Best 200 Episodes Ever DVDs.
This track plays in two episodes with acronyms as their titles.
In "C.H.U.M.S," SpongeBob is listening to the song and singing it while cleaning the windows of the Krusty Krab.