At the aftershow party (after taping the final episode), Ardal O'Hanlon 's father (a GP) ) expressed concern about Dermot Morgan, as he appeared unwell and told him he should see his doctor as soon as possible. Less than 24hrs later, Morgan suffered a massive and fatal heart attack.
After the broadcast of the first episode, the network received just two complaints: one criticizing it for being too anti-Catholic Church, and the other criticizing it for being too pro-Catholic Church.
Introduced the word "feck" to the English language. It was already common in Irish English. Vernacular usage of feck in the expletive sense is syntactically interchangeable with "fuck", though it has no sexual connotations and is actually closer to the word "damn".
Dermot Morgan announced that he was leaving the series and that Series 3 was to be his last, because he wanted to move on and do other roles.
In The Mainland (1998), when Ted talks to the police on the phone about Mrs. Doyle. Mrs. Doyle's first name is bleeped out. Mrs. Doyle's first name was never revealed. But in the script, her name was revealed to be Joan.