Mr. Johnson from the Bank of Central Victoria talks to students about the importance of saving for key expenses and retirement. He writes out the compound interest formula to explain why they would have $727,000 in 25 years if they save 50 cents per week with the bank and the interest doubles their investment every 3 years.

Fry experiences the effects of compound interest on his savings. He started with 93 cents in his bank account 1,000 years ago, and it has had an average 2.25% interest rate over the 1,000 years. Fry learns that he is now a billionaire.

Fifty-three years ago, Jerry's Uncle Leo stiffed Jerry's mother out of $50. Eager to get it back, Jerry's father says, "Do you know what that's worth today in interest alone? $663.45, figured at a conservative 5% interest, compounded quarterly." Morty's calculations are almost accurate, though he does not compound quarterly, and his sum includes the principle, not just the interest.

The song shows how the money you deposit in a bank earns interest or the money you borrow gains interest.

While in army training, Forrest meets Bubba, who has a passion for shrimp. Bubba's passion for shrimp is evident, as he talks about shrimp all the time and knows quite a lot about it.