The Doctor and his companions confront an alien conspiracy at Gatwick Airport, as the Chameleons seek to replace humans with duplicates.

The TARDIS materializes mid-runway at Gatwick Airport, forcing the Doctor and companions to evade an oncoming plane in a chaotic, high-stakes landing. The Doctor’s immediate command to 'scatter' triggers a …

After the Commandant dismisses the Doctor’s claims about the murder and the alien weapon, Jamie spots Polly at the Immigration desk. The Doctor immediately recognizes her and calls out, but …