For the Showtime Fan... Shameless
For The Big Bang Theory Fan... The IT Crowd
For the Downtown Abbey Fan...Parade's End
For The Office Fans...The Office
For 30 Rock Fans...Miranda
For Sketch Comedy Fans...The Catherine Tate Show
For Detective Story Fans...Sherlock
For Sci-Fi Fans...Doctor Who
For Will and Grace Fans...Gavin and Stacey
Notable Mentions:
Looking for more? The following series are also worth a mention.
-For Matt Smith fans...Party Animals (HuluPlus)
-For Peter Capaldi fans... The Thick of It (HuluPlus)
-For Gavin and Stacey fans (as well as Shameless fans)... Stella (HuluPlus)
-For Game Show fans... QI (HuluPlus)
-For Sex and the City Fans...Secret Diary of A Call Girl (ShowtimeOnDemand)
Have more recommendations for British TV shows to watch? Suggest them in the comments!