Lucas Tanner is an American drama series aired on NBC during the 1974–75 season.

The title character, played by David Hartman, is a former baseball player and sportswriter who becomes an English teacher at the fictional Harry S Truman Memorial High School in Webster Groves, Missouri, a suburb of St. Louis.

[1] Episodes often deal with the resistance of traditional teachers to Tanner's unorthodox teaching style.

Regular co-stars included Rosemary Murphy, Kimberly Beck, John Randolph, and ten-year-old Robbie Rist.

In November 1975, he began as co-host of ABC's Good Morning America.