Pluto's Strangest Secrets
- Episode aired May 7, 2020
- TV-PG
- 2h 6m
This off-season episode is made up of two How the Universe Works episodes (S6.8 Strange Lives of Dwarf Planets and S5.3 Secret History of Pluto) and an episode of Space's Deepest Secrets(4.1... Read allThis off-season episode is made up of two How the Universe Works episodes (S6.8 Strange Lives of Dwarf Planets and S5.3 Secret History of Pluto) and an episode of Space's Deepest Secrets(4.10 Pluto's Strange Secrets)This off-season episode is made up of two How the Universe Works episodes (S6.8 Strange Lives of Dwarf Planets and S5.3 Secret History of Pluto) and an episode of Space's Deepest Secrets(4.10 Pluto's Strange Secrets)