so, 15x18 was really something. Shame they couldn't film the last 2 episodes...
The clips are all in chronological order as follows:
0:00 4x01
0:110:42 4x07
0:420:58 4x10
0:581:56 4x16
1:562:12 4x20
2:122:56 4x22
2:563:04 5x02
3:046:00 5x03
6:006:42 5x04
6:426:54 5x14
6:547:19 5x18
7:197:36 6x03
7:367:42 6x17
7:428:15 6x19
8:159:16 6x20
9:169:47 6x21
9:4710:10 7x01
10:1010:36 7x23
10:3611:26 8x02
11:2611:40 8x07
11:4013:18 8x17
13:1813:38 8x18
13:3813:48 8x19
13:4813:51 8x20
13:5114:05 8x22
14:0514:38 8x23