Wayne Szalinski (Rick Moranis)’s Timeline and Summary

Wayne fails to make his shrink ray work correctly.
He gives a failed presentation to investors.
He returns home, destroys his shrink ray, and discovers that his kids are missing.
After some time, he realizes that the kids have been shrunk. He tries to find them.
He tells his wife Diane what happened and tries to repair his shrink ray.
He finds his son Nick in a bowl of cereal.
Finally, Wayne returns his kids to their normal size.