Gearjammers, Part 1 The Rockford Files : Season 2 Episode 3

Rocky is targeted for death after seeing a meeting between a truck dispatcher and a crooked executive. Jim wants desperately to protect his father but discovers he hasn't been keeping up with Rocky enough to even find him on a typical day. The dispatcher was giving the supposedly-retired Rocky work as a trucker, so when Jim discovers the dispatcher dead in a crate bound for Malaysia, the police figure the elusive Rocky knows why.