“Emergency” is one of the very FEW successful TV Shows that ALL Character(in real life) developed Life-Long Friendships. Also All of the main characters were US Military Vets(minus Randoph Mantooth).
It kind of helps if they were already married to each other (Bobby Troup and Julie London)
Speaking of Emergency all those shows are on ME TV back to back to back Dragnet Adam 12 and Emergency
One show should reboot might be corney Dragnet they may have turn into Southland or the Shield TV show
LAPD has their warts
It was created by Jack Webb who employ ex wife Julie London and her husband Bobby Troup