In the plot of My Growing Pains, a surprise party revealing his age forces retirement on Kelso, a fictional character played by Ken Jenkins in Scrubs.
"My Growing Pains" is the fifth episode of season seven and the 144th episode of the American sitcom Scrubs. They find out that he is in fact 65, and throw him a surprise birthday party. However, the reason that Kelso never mentioned his real age was because he knew that when he turned 65, he would have to step down as chief of medicine. Ken Jenkins Of all the Scrubs characters, he goes through the most pronounced change as the series progresses. Sure enough, a board member later approaches Kelso in his office and informs Kelso that during the upcoming months they would be searching for his replacement. Kelso reluctantly agrees, asking only that the fact that he was retiring be kept a secret. 
