Throughout the first season the series the only members of the first family that appeared on screen were President Fitz Grant and the First Lady Mellie Grant; their two children Jerry and Karen were only mentioned a few times.
In the second season Fitz & Mellie continued to be the only two to have on screen appearances. Mid-Season Two their youngest child, Teddy Grant, was born and made his debut appearance when Fitz & Mellie did an interview after Teddy was born. (Truth or Consequences / Molly, You in Danger, Girl) Jerry & Karen continued to only be mentioned.
And finally in the third season Karen & Jerry made their debut appearance for the first interview with "The First Family" since Fitz announced is reelection. (Mama Said Knock You Out) The two appeared in a few other episodes throughout the end of the season; ending with the tragic death of Jerry. (The Price of Free and Fair Election)