Conversation so far:
What year did Johnny Carson's The Tonight Show move to Burbank?
On May 1, 1972, The Tonight Show moved from 30 Rockefeller Plaza to Burbank, California, because of the studio's proximity to celebrities.
What did Johnny Carson host in Burbank?
Johnny Carson hosted The Tonight Show in Burbank.
How often was the Tonight Show starrring Johnny Carson on?
From July 1971, Johnny Carson stopped hosting five shows per week. Instead, Mondays featured a guest host, leaving Carson to host The Tonight Show the other four weeknights.
What else did Johnny Carson do in Burbank besides hosting The Tonight Show?
By the mid-1970s, Johnny Carson had become the highest-paid personality on television, earning about $4 million a year, not including nightclub appearances and his other businesses.

Question: what improvments were made to the show in the 1980s?
Self-contained rewrite: What improvements were made to The Tonight Show starring Johnny Carson in the 1980s?