Encyclopedia SpongeBobia
Encyclopedia SpongeBobia

"SpongeBob's Bad Habit" is a SpongeBob SquarePants episode from season 12. In this episode, SpongeBob can't stop biting his nails, but he also can't figure out why.



Squidward is complaining about how he hates his work, but nobody listens except SpongeBob, who prepares an order for a customer. As he is delivering it, he starts biting his nails, making everyone disgusted due to the nails getting onto them. Squidward sees this and tells him that biting nails is a bad habit.

After work, SpongeBob goes home and attempts to stop his nail-biting habit. First, he keeps his hands from his mouth as well as make his nails beautiful to do this, but he still bites his nails. SpongeBob goes for a walk to clear his head but still bites his nails. He sees Fred and starts biting his nails, scaring him off. Afterwards, he finds Mrs. Puff at Nails, where he bites her nails as well.

Eventually, he meets up with Patrick and tells him about his nail-biting issue. He brings him to Glove World! to resolve this issue, but SpongeBob starts biting the nails of a glove balloon. After getting kicked out, they call Sandy for help. First she puts a helmet on SpongeBob, but he bites his nails from behind his mouth, so she uses a pillory on his fingers. The three fall asleep after a while, but once Sandy wakes up, she realizes SpongeBob has got out and is biting her nails, making her send him to a hypnotherapist.

Squidward watching SpongeBob biting Hans' nails.

The hypnotherapist finds out that SpongeBob thinks he is Squidward and that is why he wants to bite his nails. He snaps his fingers and he goes back to normal. It turns out that the hypnotherapist was Hans, who SpongeBob instantly bites the nails of. At the same time arrives Squidward due to his weekly appointment and, scared from SpongeBob biting Hans' nails, nervously bites his nails, backs away, and shuts the door, ending the episode from there.

Running gags

  • SpongeBob biting his and everybody's nails.


The episode was confirmed by Vincent Waller on June 29, 2019.[2]



 ) Production music
 ) Original music
 ) SpongeBob music

  SpongeBob Theme II - Nicolas Carr, Sage Guyton, Jeremy Wakefield [Title card]
  Unease - Dick Walter [Customers making noise while they're eating at the Krusty Krab]
  Tension Bits - Nicolas Carr, Sage Guyton, Jeremy Wakefield ["Ah! Another rotten day at the Krusty Krab!"]
  Hot Steel and Slide Licks 30 - Jeremy Wakefield [Customers go back on their duties]
  Light Conversation 1 - Nicolas Carr, Barry Anthony [Squidward telling SpongeBob his troubles]
  Variety Link (d) - Dick Walter ["Whoo! Number one!"]
  Light Conversation 1 - Nicolas Carr, Barry Anthony [SpongeBob starts biting his fingernails]
  Hot Steel and Slide Licks 24D - Jeremy Wakefield [SpongeBob gives Tom his Krabby Patty meal]
  Vibe Q Sting - Nicolas Carr ["Huh?"]
  Uh Oh Flutter-Eyed - [ProjectSAM Symphobia Colours: Animator] [Closeup of a patty with SpongeBob's fingernails]
  Bad Slide - [ProjectSAM Symphobia Colours: Animator] [Tom pushes his plate away]
  Slippery Sid - Roger Roger [Customers get disturbed by SpongeBob's fingernails around the Krusty Krab]
  Silly Bob Conversation 1 - Nicolas Carr, Barry Anthony [Squidward tells SpongeBob to stop biting his fingernails]
  Lap Steel - Nicolas Carr [Transition to next scene]
  A Fishy Conversation - Nicolas Carr, Barry Anthony [SpongeBob trying to avoid biting his fingernails at his house]
  Happy Links 1-5 - Paul Fenoulhet [SpongeBob painting his fingernails]
  Breathing Underwater - Nicolas Carr [Krabby Patties painted on SpongeBob's fingernails]
  Down in Davey Jones Locker - Nicolas Carr [SpongeBob starts biting his fingernails again]
  Hot Steel and Slide Licks 7A - Jeremy Wakefield [SpongeBob stops biting his fingernails]
  Great Idea Patrick - Nicolas Carr ["Oh, what a great idea, Gary!"]
  Hot Steel and Slide Licks 24A - Jeremy Wakefield [SpongeBob exits his house]
  Hello Blues - Sage Guyton, Jeremy Wakefield [SpongeBob going for a walk]
  Porous Pursuit - Nicolas Carr, Sage Guyton, Jeremy Wakefield [SpongeBob biting his toenails]
  Hot Steel and Slide Licks 18C - Jeremy Wakefield ["Oh, SpongeBob, are you okay?"]
  Heavenly Sanatized Choir - Nicolas Carr [SpongeBob stares at Fred's fingernails]
  Footsteps of Horror - William Farran [SpongeBob biting Fred's fingernails]
  Glamour Foxtrot - Lillian Munsie [Mrs. Puff enters a nail salon]
  Eight Dramatic Bridges - Ronald Hanmer [SpongeBob biting Mrs. Puff's fingernails]
  Glamour Foxtrot - Lillian Munsie ["So, when should we schedule your next appointment?"]
  Slippery When Wet - Nicolas Carr [SpongeBob thrown out of the nail salon]
  The Donut Dilema (With Triangle) - Nicolas Carr [SpongeBob tells Patrick he can't stop biting his fingernails]
  Lap Steel - Nicolas Carr [Transition to next scene]
  Welcome to Glove World - Nicolas Carr, Barry Anthony [Patrick takes SpongeBob to Glove World]
  Sponge Monger - Sage Guyton, Jeremy Wakefield [SpongeBob biting Glove World balloon's fingernails]
  Welcome to Glove World - Nicolas Carr, Barry Anthony [SpongeBob and Patrick kicked out from Glove World]
  What's This - Nicolas Carr [SpongeBob biting his fingernails again]
  Hot Steel and Slide Licks 24A - Jeremy Wakefield [Patrick calls Sandy for help]
  Elusive - Len Stevens [Sandy puts a helmet on SpongeBob to stop biting his fingernails]
  Hot Steel and Slide Licks 1A - Jeremy Wakefield ["SpongeBob, that's just plain wrong!"]
  The Fruitcake Vendor - Nicolas Carr, Barry Anthony [SpongeBob's hands and feet chained in a pillory]
  Grass Skirt Chase - Sage Guyton, Jeremy Wakefield [SpongeBob biting Sandy's fingernails]
  Synopsis - Frank Harlow [At the hypnotherapist]
  Tricks and Traps - James McConnel [SpongeBob enters the doctor office]
  Death Clock E - Dick De Benedictis [Doctor swings watch]
  ? [SpongeBob being hypnotized]
  Lost in Limbo - Nicolas Carr, Dick De Benedictis [SpongeBob thinks he's Squidward]
  Hot Steel and Slide Licks 25C - Jeremy Wakefield ["Whoopee! Thanks, Doctor..."]
  Vibe Q Sting - Nicolas Carr ["Doctor..."]
  Cool Reception - Jack Beaver [Hans is revealed to be SpongeBob's doctor]
  Unknown Track 100 - Closeup of Hans' fingernails
  Hot Steel and Slide Licks 5C - Jeremy Wakefield [SpongeBob starts biting Hans' fingernails]
  SpongeBob Theme II - Nicolas Carr, Sage Guyton, Jeremy Wakefield [Ending]





Her eyelashes are missing.

  • When Mrs. Puff removes the towel from her eyes, for a split second, her eyelashes are missing.
  • When Sandy says "Uh-Oh, Tell me he ain't doing what I think he's doing," her mouth does not open or move when she says "Uh-Oh."
  • While Patrick is playing with a coloring book in the waiting room, the book's cover appears to be on the back of the book.

SpongeBob's missing eyelashes.

  • When SpongeBob tells Hans that he cannot stop biting his nails, his eyelashes are missing. His eyelashes are also missing throughout his entire hypnotherapy session, but return back to normal once he wakes up from hypnosis.
  • Ironically, SpongeBob continues biting his nails the whole episode, but it would be impossible for him to continue unless his nails grow very quick.



SpongeBob SquarePants Nail Biter Nickelodeon UK


SpongeBob Can't Stop Biting His Nails! 😬 - SpongeBob's Bad Habit