"Putt-Putt Travels Through Time" begins with Putt-Putt packing his new school supplies. He goes to Mr. Firebirds' lab to meet his friend with his coin. Mr. Firebird has his new time portal. Putt-Putt says, "Here's the coin, Mr. Firebird." and he gives his coin to Mr. Firebird. Mr. Firebird puts the coin into the washing machine. When it and the time portal starts, Mr. Firebird tells the washing machine. Suddenly, went CRASH! BANG! The time portal is out of control and it opens. Pep, history report, calculator and Smuffy the fire engine lunchbox get sucked into it. Putt-Putt has to save the day.
Source: Wikipedia, "Putt-Putt (series)", available under the CC-BY-SA License.