We don't have a biography for Thelma Lou yet. Hang in there, or go ahead and contribute one.
Appearances
The Andy Griffith Show
Guest cast, played by Betty Lynn
- Episode 1x22: Cyrano Andy (Mar 6, 1961)
- Episode 2x02: Barney's Replacement (Oct 9, 1961)
- Episode 2x05: Barney on the Rebound (Oct 30, 1961)
- Episode 2x08: The Perfect Female (Nov 27, 1961)
- Episode 2x13: The Farmer Takes a Wife (Jan 1, 1962)
- Episode 2x17: The Jinx (Jan 29, 1962)
- Episode 2x20: Barney and the Choir (Feb 19, 1962)
- Episode 2x27: Three's a Crowd (Apr 9, 1962)
- Episode 3x02: Andy's Rich Girlfriend (Oct 8, 1962)
- Episode 3x06: Barney Mends a Broken Heart (Nov 5, 1962)
- Episode 3x27: Barney's First Car (Apr 1, 1963)
- Episode 3x28: The Rivals (Apr 8, 1963)
- Episode 3x29: A Wife for Andy (Apr 15, 1963)
- Episode 4x09: A Date for Gomer (Nov 25, 1963)
- Episode 4x10: Up in Barney's Room (Dec 2, 1963)
- Episode 4x27: Fun Girls (Apr 13, 1964)
- Episode 4x29: The Rumor (Apr 27, 1964)
- Episode 4x30: Barney and Thelma Lou, PHFFTT (May 4, 1964)
- Episode 5x02: Barney's Physical (Sep 28, 1964)
- Episode 5x07: Man in the Middle (Nov 2, 1964)
- Episode 5x20: Goober and the Art of Love (Feb 1, 1965)
- Episode 5x21: Barney Runs for Sheriff (Feb 8, 1965)
- Episode 5x28: The Arrest of the Fun Girls (Apr 5, 1965)
- Episode 6x17: The Return of Barney Fife (Jan 10, 1966)