The 25-episode series, directed by Mohammad-Hossein Latifi, will be aired every night at 22:00 GMT, except for Saturdays.
iFilm English TV will also repeat each episode of the series the next day at 04:00, 10:00 and 16:00.
It tells the story of an elderly man who has lived abroad for many years.
Now he has returned to Tehran to his building which was supposed to be empty.
But getting to the building, he sees it is not empty anymore and several families are living there.
Instead of kicking them out, he grows fond of them and decides to move in and join the adventures, joys and sorrows of their charming lives.
The cast list of the series is comprised of some popular Iranian stars, including Amin Hayaee, Mohammad-Reza Sharifinia, Ali Nasiriyan, Kamand Amir-Soleimani, Hossein Panahi, Ali Ousivand, Keihan Maleki, Ramin Parchami, Majid Mozaffari and Gohar Kheirandish.
‘Neighbors’ is scheduled to replace ‘The Forgotten’.