Mike learns the importance of indirect questioning in his psychology course when Robbie is sought after by eight classmates. Mike sets out to determine by voluntary questionnaire and graph who would be the most suitable scientific choice.
| Title | My Three Sons - Season 3 Episode 31 The System |
|---|---|
| Year | 1972 |
| Genre | Comedy, Family |
| Country | United States of America |
| Studio | CBS |
| Cast | Fred MacMurray, Don Grady, Barry Livingston, Stanley Livingston, William Demarest, Beverly Garland |
| Crew | George Tibbles (Producer), Don Fedderson (Producer) |
| Alternative Titles | |
| Keyword | single father, sitcom |
| First Air Date | Sep 29, 1960 |
| Last Air date | Apr 13, 1972 |
| Season | 12 Season |
| Episode | 380 Episode |
| Runtime | 30:25 minutes |
| Quality | HD |
| IMDb: | 6.50/ 10 by 33.00 users |
| Popularity | 114.689 |
| Language | English |
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