1988 (MCMLXXXVIII) was a leap year starting on Friday of the Gregorian calendar, the 1988th year of the Common Era (CE) and Anno Domini (AD) designations, the 988th year of the 2nd millennium, the 88th year of the 20th century, and the 9th year of the 1980s decade.
- "Knock, Knock... Who's There? is rerun on NBC.
- "Forgive Us Our Debts" is rerun on NBC.
- "By Hooker by Crook" is rerun on NBC.
- "Everybody's in Showbiz" is rerun on NBC.
- "Viking Bikers from Hell" is rerun on NBC.
- "The Afternoon Plane" is rerun on NBC.