The snail clock is SpongeBob's house clock that represents his pet snail Gary. It appears in the episodes "Gary Takes a Bath," "Procrastination," and "Earworm."
It is a clock designed to look like Gary, having a shell and eye stalks just like him. It also includes teeth and a tail.
Role in series
"Gary Takes a Bath"
SpongeBob looks at the clock and declares that it is time to give Gary a bath.
After SpongeBob falls asleep, the snail clock comes to life and announces that his time has run out in his dream.
SpongeBob looks at it and realizes it is time for him to go to bed.