"Time Bokan: Royal Revival" is a comedic science fiction anime that serves as a reboot of the classic "Time Bokan" franchise. The series centers on the adventures of the Time Bokan crew, a group of time-traveling explorers who seek to uncover the truth behind historical mysteries and legendary treasures. The main characters include Tokio, a young and enthusiastic inventor; Calen, a skilled and resourceful pilot; and their robotic companion, Kiteretsu. Together, they pilot the Time Bokan, a versatile time machine capable of traveling to different eras.

The narrative unfolds as the crew embarks on a mission to recover the "Royal Jewels," a set of legendary artifacts scattered across various points in history. Each episode typically features the crew traveling to a specific time period, where they encounter historical figures, mythical creatures, and rival treasure hunters. Their primary adversaries are the Dorombo Gang, a trio of bumbling villains consisting of Marjo, Tonzura, and their robotic assistant, Walther. The Dorombo Gang often competes with the Time Bokan crew for the same treasures, leading to a series of comedic confrontations and chase sequences.

The series blends historical elements with fantastical twists, often reimagining famous events or figures in humorous and exaggerated ways. Despite the lighthearted tone, the show incorporates themes of teamwork, perseverance, and the importance of preserving history. The episodic structure allows for a variety of settings and scenarios, ranging from ancient civilizations to futuristic landscapes, ensuring a dynamic and engaging viewing experience. The interactions between the Time Bokan crew and the Dorombo Gang provide consistent comedic relief, while the overarching quest for the Royal Jewels adds a sense of continuity and purpose to the narrative.