Riddle: How do chiropractors swim laps?
Answer: They do the back stroke.
Riddle: How do caterpillars swim laps?
Answer: They do the butterfly.
Riddle: What did the little lobster get on its math test?
Answer: Sea-plus.
Riddle: Where do jellyfish sleep?
Answer: In tent-acles.
Riddle: What's a lifeguard's favorite game?
Answer: Pool.
Riddle: What does a slice of toast wear to bed?
Answer: Jam-mies.
Riddle: Why did the radish turn red?
Answer:  It saw the salad dressing.
Riddle: How did the court know the judge was ready for bed?
Answer: He was wearing his robe.
Riddle: Why did Silly Billy wear a helmet to bed?
Answer: So he could crash.
Riddle: Why did Silly Billy's mom write TGIF on his slippers?
Answer: For "Toes Go In First."