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.

Question: what else did he do in burbank?
Self-contained rewrite: What else did Johnny Carson do in Burbank besides hosting The Tonight Show?