SpongeBob SquarePants (1999)

S17E13 My Tighty Whiteys

SpongeBob panics when his beloved pair of underwear vanishes without a trace. Convinced that no one else could possibly understand the sentimental value of these missing garments, he launches a frantic, city-wide investigation, turning Bikini Bottom upside down in his quest. From interrogating suspicious neighbors to scouring the most unlikely hiding spots, his desperate search becomes a comedic mission to reunite with his treasured underpants before all hope is lost.