This boxset contains all 3 series plus all the Christmas specials.
Father Ted Comedy Connections Documentary
Comic Relief With Ted And Dougal
US Interviews With Graham Lineham And Arthur Mathews
Tedfest 2007: A Very Ted Weekend
Tedfest 2007: Two Tribes Go To War
Audio Commentary For Series 3 By Creators Graham Lineham And Arthur Mathews
Craggy Island Memories
Dougal's Favourite Memories
Dougal's Favourite Sound Effects
Next cheapest is £34.99 at DVD.co.uk. Only released this week!
Now, I've listed this as 101CD.com because you get Quidco through them (6%, making it £26.58) but I know people will start shouting because of hassles they've had with 101CD.com in the past, so I've linked it to BlahDVD.com - BUT they are no longer on Quidco, so you'll pay the full price. Your choice!
Changed the link to 101CD.com - it didn't like the BlahDVD one!