![](https://image.tmdb.org/t/p/w185/1464ScbUZQ22RjFtRtGiv4i2Zrs.jpg)
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Jon and Ponch must take on the dangerous assignment of escorting a convoy of trucks carrying hazardous chlorine gas.
First Air Date : Sep 15, 1977
Last Air date : May 01, 1983
Episode : 139 Episode
Season : 6 Season
Runtime: 48:14 minutes
Studio: NBC
Country: United States of America