Here is a report posted nearly a year before the late January announcement from astronomers of a newly-discovered Neptune-sized planet that lurks beyond Pluto. The "Leading Planet X / Nibiru expert" expert being interviewed posits that the approach of Planet X is the reason elites have been building underground cities.
Supposed Navy intel map as it relates to Planet X, or as one of the hosts points out, possibly disinfo to discredit people.
Alex Jones recently gave a good balanced report.
Alex Jones: Planet X Resurges To Wreck Your... by debunkerbuster
Planet X - The 2017 Arrival: