What are these following episode's airdates?

[SesameStreetGuy]

Does anyone know the following episodes airdates? I know what year these were from, I just don't know their exact airdate...

276. Season Premiere-Big Bird Meets Snuffy. 1971
406. Season Premiere-The Count, and SAM The Robot Debut. 1972
1446. Big Bird Goes To School. 1980
1576. Birdwatchers. 1981
1706. Big Bird At Camp Echo Day 1. 1982
1966. The Night Party. 1984(Season Premiere)
2226. Mile’s First Year On Sesame Street. 1986
3266. Tooth Fairy Looses His Address Book. 1994
3526. Maria In The Hospital Part 1. 1996(not a Gabi is born episode, one where she is there with stomach pains or something, 2 parts I believe.)

 

[mikebennidict]

i wouldn't know the exact dates but in referrence to the 1st Snuffy appearance from the time of the 1st SS airing up untill i don't know when, each new season began in November.