![](https://image.tmdb.org/t/p/w342/rg0CMU0109heOKwWYVzIW94P963.jpg)
48.775 Radhairc
Grover travels to Switzerland to investigate the black-mailing of people who have secret numbered accounts in a Swiss Bank.
An Chéad Dáta Aeir : Sep 13, 1972
Dáta deireanach an aeir : Apr 11, 1973
Eachtra : 23 Eachtra
Séasúr : 1 Séasúr
Runtime: 60 nóiméad
Stiúideo: NBC
Tír:
Caitheadh: Anthony Franciosa, Burgess Meredith, Doug McClure, Hugh O'Brian, Angel Tompkins, Byron Chung