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My Three Sons/Season Twelve
From The TV IV
				
								
				
				
																
				
				
								
				| Season Twelve | |
| My Three Sons | |
|   | |
| Season Premiere | September 13, 1971 | 
| Season Finale | April 13, 1972 | 
| Episode Count | 24 | 
| Previous | Next N/A | 
Season Twelve of My Three Sons premiered on September 13, 1971.
Episodes
| # | # | Title | Airdate | |||||
|---|---|---|---|---|---|---|---|---|
| 357 | 1 | The Advent of Fergus | September 13, 1971 | |||||
| 358 | 2 | Fergus for Sale | September 20, 1971 | |||||
| 359 | 3 | Lady Douglas | September 27, 1971 | |||||
| 360 | 4 | Goodbye, Fergus | October 4, 1971 | |||||
| 361 | 5 | Four for the Road | October 18, 1971 | |||||
| 362 | 6 | Polly the Pigeon | October 25, 1971 | |||||
| 363 | 7 | Happy Birthday, Anyway | November 1, 1971 | |||||
| 364 | 8 | Proxy Parents | November 8, 1971 | |||||
| 365 | 9 | The Enthusiast | November 15, 1971 | |||||
| 366 | 10 | Katie's Career | November 22, 1971 | |||||
| 367 | 11 | Polly's Secret Life | November 29, 1971 | |||||
| 368 | 12 | The Sound of Music | December 6, 1971 | |||||
| 369 | 13 | TV Triplets | January 13, 1972 | |||||
| 370 | 14 | Three for School | January 20, 1972 | |||||
| 371 | 15 | Alfred | January 27, 1972 | |||||
| 372 | 16 | Buttons and Beaux | February 3, 1972 | |||||
| 373 | 17 | Peanuts | February 17, 1972 | |||||
| 374 | 18 | Bad Day for Steve | February 24, 1972 | |||||
| 375 | 19 | Second Banana | March 2, 1972 | |||||
| 376 | 20 | Bad Day for Barbara | March 16, 1972 | |||||
| 377 | 21 | The Birth of Arfie | March 23, 1972 | |||||
| 378 | 22 | Lonesome Katie | March 30, 1972 | |||||
| 379 | 23 | Barbara Lost | April 6, 1972 | |||||
| 380 | 24 | Whatever Happened to Ernie? | April 13, 1972 | 
| My Three Sons Seasons | 
| Season 1 | Season 2 | Season 3 | Season 4 | Season 5 | Season 6 | Season 7 | Season 8 | Season 9 | Season 10 | Season 11 | Season 12 | 

