Family Ties (1982)

Season 7: Episode 11

When Andy befriends two senior citizens, Steven decides to make them the focus of his new documentary. After Andy announces that he's invited a couple of friends over, the Keatons are surprised when two people in their seventies walk in! Andy introduces Joseph Simmons and Eva Martin to the family, explaining that they are from the retirement center which Andy's class visits each week as a school project.