Yes, Season 5 of "Lost" did have a mid-season break in the UK. The season originally aired in the US in 2008, and the UK broadcast followed a similar pattern, with a pause in episodes after the first part of the season. This break allowed for a buildup of anticipation among viewers before resuming with the second half of the season.
there are six seasons...
Dear Lost Fan, Lost Season 5 is due to start on Sky 1, January 25th 2009. Excited
December 09
8 December 2009.
There is no Prison break season 5.
PB season 4 returns Fri, April 17, 2009(US) & Tue April 21st (UK), to air its final six episodes across 5 Fridays (Tuesdays) wrapping up the series.
May 13, 2009 is when season 5 of LOST ended.
Season 5 of LOST features 17 episodes.
Season 5 of House is currently showing on Sky 1 in the UK
Season 5 begins in February 2010, now on UK living.
PB season 4 returns on Fri, Apr 17, 2009 in the US (Tue, Apr 21st UK) to complete its final season with a 5 week run ending with a double episode on Fri, May 15th (US). FOX did not renew Prison Break for a fifth season, so no Prison Break 5. The series will end when season 4 has completed the last 6 of its 22 episodes.