- Old Kai, a fifteenth generation Supreme Kai, is sealed into the Z Sword by the short-tempered Beerus the Destroyer after an argument over some trifling thing during one of their coordination meetings held every 1,000 years.
- Tokitoki is born.
- Chronoa raises Tokitoki into an adult and is given the role of the deity that watches over all of time.
- The Demon God Demigra invades the Time Nest and tries to seize control of time by attempting to steal Tokitoki, but fails and is sealed in the Crack of Time by the Supreme Kai of Time.
- Beerus visits the Time Nest and meets Chronoa.
- In the chapter of Dr. Slump, Hello, Moon! Time Machine transports Arale and Tsururin back to the time of the dinosaurs, a few moments before the events of the Tertiary extinction cause by a meteorite killing most prehistoric lifeforms. Arale stops the meteorite from hitting the younger earth and Headbutting it back into the atmosphere and thus creating Earth's moon.