stargate sg-1 episode skip or not list

list.txt

A) just-skip
B) crappy episode 
C) maybe watch or just skip all
D) maybe watch or skip some parts
E) non-important episode but not bad one
F) important episode but skipping is sometimes required

1.3rd / S1E4 (A)
1.5th / S1E6 (C, god-dilemma stuff)
1.15th / S1E16 (C, trial stuff)
1.20th / S1E21 (F, skip as much as you can until the end)
2.5 (D, skip if you are bored)
2.8 (B)
2.13 (EC)
2.19 (A)
3.2 (C)
3.7 (E)
3.8 (C)
3.9 (D)
3.15 (F)
4.7 (D, some parts have links to the story)
5.6 (CB, maybe but not advised)
5.13 (C, personally disliked one)
5.20 (E)
6.7 (EC)
6.13 (EC)
6.17 (F)
7.10 (F)
7.17 (F)
7.18 (F)
7.19 (B)
7.20 (D)
8.9 (B)
8.10 (C)
8.15 (D)