Which episodes have fang form in?

[Papercut]

I need to know as i'm creating something.

Wasn't entirely show where to post this, as i'm not asking for the footage, just asking for the episode numbers.

 

[KAGEKI]

If you're talking about FangJoker from Kamen Rider Double, it's episode 16.

 

[DangerDang]

http://en.wikipedia.org/wiki/List_of_Kamen_Rider_W_episodes

16
17
18
20
22
28
29
31
38
43
44
Begins Night
W FOREVER: A-Z

Hope this helps add to KAGEKI's post.

 

[Papercut]

Yeah it does. Thank you !