8x01 - Started filming Wednesday 15th July (16, 17, 20, 21, 22, 23, 24) Finished filming Monday 27th July - nine day shoot
8x02 - Started filming Tuesday 28th July (29, 30, 31, 3, 4, 5, 6) Finished filming Friday 7th August - nine day shoot
8x03 (aired 8x04) - Started filming Monday 10th August (11, 12, 13, 14, 17, 18) Finished filming Wednesday 19th August
8x04 (aired 8x03) - Started filming Thursday 20th August (21, 24, 25, 26, 27, 28) Finished filming 31st August (EDIT: Actually completely finished on 1st September.)
8x05 - Started filming Tuesday 1st September (2, 3, 4, 7, 8, 9, 10) Finished filming Friday 11th September
8x06 (aired 8x07) - Started filming Monday 14th September (15, 16, 17, 18, 21, 22, 23) Finished filming Thursday 24th September
8x08 (aired 8x06) - Started filming Friday 25th September (28, 29, 30, 1, 2, 5) Finished filming Tuesday 6th October
8x07 (aired 8x08) - Started filming Wednesday 7th October (8, 9, 12, 13, 14, 15) Finished filming Friday 16th October
8x09 - Started filming Monday 19th October (20, 21, 22, 23, 26, 27) Finished filming Wednesday 28th October
8x10 - Started filming Thursday 29th October (30, 2, 3, 4, 5, 6) Finished filming Monday 9th November
8x11 - Started filming Tuesday 10th November (11, 12, 13, 16, 17, 18) Finished filming Thursday 19th November
8x12 - Started filming Friday 20th November (23, 24 - Thanksgiving break - 30, 1...) Possibly finished on the 6th or 7th day of filming - either Wednesday 2nd or Thursday 3rd December
8x13 - Started filming Thursday 3rd December (4, 7, 8, 9, 10, 11) Finished filming Monday 14th December
8x14 - Started filming Tuesday 15th December (16, 17, 18, 5, 6) Finished filming Thursday 7th January
8x15 - Started filming Friday 8th January (11, 12, 13, 14, 15, 19) Finished filming Wednesday 20th January
8x16 - Started filming Wednesday 20th January -overlap with last day of 8x15 - (21, 22, 25, 26, 27, 28, 29) Finished filming Monday 1st February - overlap with first day of 8x17-
8x17 - Started filming Monday 1st February - overlap with last day of 8x16 - (2, 3, 4, 5, 8, 9, 10) Finished filming Thursday 11th February (overlap with first day of 8x18)
8x18 - Started filming Thursday 11th February - overlap with last day of 8x17 - (12, (out Monday 15th Presidents Day) 16, 17, 18, 19, 22) Finished filming Tuesday 23rd February
8x19 - Started filming Wednesday 24th February (25, 26, 29, 1, 2, 3) Finished filming Friday 4th March
8x20 - Started filming Monday 7th March (8, 9, 10, 11, 14, 15) Finished filming Wednesday 16th March
8x21 - Started filming Thursday 17th March (18, 21, 22, 23, 24 - Easter break - 28, 29) Finished filming Wednesday 30th March
8x22 - Started filming Thursday 31st March (1, 4, 5, 6, 7, 8, 11)
Wed Jul 15, 2015 8:55 pm