After spending a day on the weekend complaining about how hard it is to help Greg and Marcia with their respective extracurricular activities, Mike and Carol scoff at one another, saying the other has it easier with their kids' activities. As a result, Mike suggests they swap for a day to prove his point and Carol wholeheartedly agrees to the swap. However, it doesn't take them long to realize how difficult it can be helping their kids out with their activities – only both are reluctant to admit it to each other.
Spoilers ahead. Coverage follows the scope labeled below.
Complete story — includes the ending
Carol and Mike switch roles to see who is better at the other's household chores. Just as Carol tries teaching baseball to her sons, only to give new meaning to the word incompetence, Mike tries to help Marcia with her cooking project in order to earn a Girl Scouts cooking badge, only to be the victim of several accidents in the kitchen. Note: During the filming of this episode, Robert Reed took issue with Sherwood Schwartz's direction to slip on an egg.