Conversation so far:
Where did Harold Ramis attend school?
Harold Ramis graduated from Stephen K. Hayt Elementary School in June 1958 and Nicholas Senn High School in 1962, and in 1966 from Washington University in St. Louis, Missouri.
Who did Harold Ramis perform with at Second City?
At Second City, Harold Ramis performed alongside John Belushi.
What year(s) did Harold Ramis perform at Second City?
Harold Ramis joined The Second City Mainstage in 1969, writing and performing in six revues over four years.
What did Harold Ramis do after Second City?
John Belushi brought Harold Ramis and other Second City performers, including Ramis' frequent future collaborator Bill Murray, to New York City to work on The National Lampoon Radio Hour.
What else happened to Harold Ramis in 1968?
In 1968, Harold Ramis was a substitute teacher at schools serving the inner-city Robert Taylor Homes.
Did Harold Ramis have any other jobs in 1968 besides being a substitute teacher?
Harold Ramis also became associated with the guerrilla television collective TVTV, headed by his college friend Michael Shamberg, and wrote freelance for the Chicago Daily News.

Question: What did he do for TVTV?
Self-contained rewrite: What did Harold Ramis do for TVTV?