Article continues below advertisementLisa Ann Walter may keep it polished on Abbott Elementary, but the 62-year-old actress couldn't help a little slip-up on Jeopardy!.Already down -$200 when she faced clue 21, Walter's competitive streak showed in a moment that was all too relatable.Article continues below advertisementArticle continues below advertisementOn-Air Slip UpSource: megaLisa Ann Walter competed on 'Jeopardy! Tournament of Champions.