Emergency! S05 E21 The Tycoons

"Squad 51, this is Rampart. Continue to monitor patient and transport immediately."

Johnny's got another of his brilliant ideas - he wants Station 51 to buy a nearby hot dog stand. Roy, as usual, is the wet blanket - but this time his caution pays off. The paramedics help a man injured while mowing his lawn and rescue the victims of a fire at a chemical factory.