Season 2 hasn't finished airing in the US. Season 2 is also currently airing on MTV in the UK.
Season 2 has completely aired in the US and UK, and will be returning to the US on June 5th. The UK should get the season by June 15th to MTV.
Season 5 of "Pretty Little Liars" is already out, it comes on evrey Tuesday.
This summer
Its on TV now
Its coming out Jun 5,2012=D
Monday January 3rd
January 2.. Its a monday:)
June 14
Pretty little liars season 2 is coming on January 3rd 2011 on ABC FAMILY at 8:00 Marathon begins at 11:00
Season 2 starts January 3, 2011!!
In a couple weeks probably
June 5th, 2012
on october 17