Misc: Sharks are immune to?

Questions

the classic "road show." revived in 1993 w/ dan cortese (earth, solo ...).?

bo and luke duke's car went by this name.?

give the squad number of roy desoto and johnny gage in "emergency!"?

michael knight's car was named k.i.t.t., which stood for:?

name t.c.'s helicopter tour company on "magnum p.i."?