| Hint | Planet |
| Bee homeworld | |
| Human/Hath battleground (Televised Planet) | |
| The sky is like oil on water | |
| Spa resort (Televised Planet) | |
| Their first date (Televised Planet) | |
| Mentioned in 'The Long Game' | |
| The Ood homeworld (Televised Planet) | |
| Homeworld of the princess murdered by the Plasmavore | |
| Max Capricorn's retirement plan | |
| The subject of Dee Dee's paper | |
| Pyrovile homeworld | |
| Slitheen homeworld | |
| Carrionite homeworld | |
| Desert planet (Televised Planet) | |
| One of the 27 stolen planets | |
| The planet in 'Turn Left' | |
| Dalek homeworld | |
| Sontaran homeworld | |
| Astrid Peth's homeworld | |
| Sycorax homeworld | |
| Orbiting a living sun in '42' | |
| 'Toclafane' homeworld | |
| Bears a landmass shaped like a lamenting woman | |