When did episode seen by  2.267 million persons get aired?
# Episode AU Air Date Timeslot Viewers (m) Nightly Rank (#) Weekly Rank (#)
real text text text text real real
1-21055055-2
1 "Aussie Bob & Kiwi Terry" 9 February 2009 8:30pm Monday 2.582 1 1
2 "Bad Habits" 9 February 2009 9:30pm Monday 2.397 2 2
3 "Brave New World" 16 February 2009 8:30pm Monday 2.476 1 1
4 "Business as Usual" 23 February 2009 8:30pm Monday 2.334 1 1
5 "A Tale of Two Hitmen" 2 March 2009 8:30pm Monday 2.233 1 1
6 "Stranded" 9 March 2009 8:30pm Monday 2.267 1 1
7 "A Nice Little Earner" 16 March 2009 8:30pm Monday 2.174 1 1
8 "Diamonds" 23 March 2009 8:30pm Monday 2.069 1 1
9 "Judas Kiss" 30 March 2009 8:30pm Monday 2.126 1 1
10 "The Reckoning" 20 April 2009 8:30pm Monday 1.826 1 1
11 "The Brotherhood" 20 April 2009 9:30pm Monday 1.803 2 2
12 "O Lucky Man" 27 April 2009 8:30pm Monday 1.705 4 5
13 "The Loved Ones" 4 May 2009 8:30pm Monday 2.078 1 1
table_21055055_2
SELECT AU Air Date FROM table WHERE Viewers (m) = 2.267
2.267