Invisible Enemy
- Episode aired Apr 17, 1962
- TV-14
![James Ellis and John Slater in Z Cars (1962)](https://m.media-amazon.com/images/M/MV5BYmZjMjk1OWEtMDFlOC00ODA4LWE2MmYtMDdhYTRhNzcwMDI3XkEyXkFqcGdeQXVyNjg1NzcwODE@._V1_QL75_UY281_CR4,0,190,281_.jpg)
After a flat in a tower block is burgled, PCs Smith & Weir investigate. Believing they're searching for a petty crook, they uncover something much more serious.After a flat in a tower block is burgled, PCs Smith & Weir investigate. Believing they're searching for a petty crook, they uncover something much more serious.After a flat in a tower block is burgled, PCs Smith & Weir investigate. Believing they're searching for a petty crook, they uncover something much more serious.