#26: Lyndsey Became a Regular Thanks to Audience Reaction
Lyndsey McElroy wasn’t originally planned as a long-term character, but test audiences loved her dynamic with Alan. Courtney Thorne-Smith’s sharp comedic chemistry and grounded presence gave Alan a partner who could match — and sometimes outmaneuver — his neurotic energy.
Producers quickly expanded her role, making her one of Alan’s longest-running relationships on the show. Lyndsey’s mix of warmth, impatience, and occasional chaos added fresh material for the writers. She became a key figure in Alan’s storyline, especially during the later seasons when the cast shifted around her.