Time Travelling with a Tortoise

Al Chaudhury successfully saved his father's life through time travel, restoring his family to normal. However, when an accident affects his beloved Grandpa Byron, Al finds himself journeying through time once more. This time, a friend is left stranded in a prehistoric era, forcing Al on a perilous rescue mission. He must bring his friend back and ensure a future for everyone, discovering that time travel is far more complex than he imagined.