This is probably 'Are You Afraid of the Dark?', a Canadian horror-anthology series for teens where the framing device was a group of kids who met in the woods to tell each other creepy stories.

The 'flashback' you mention would be the show cutting from the group to the story being told.

https://en.wikipedia.org/wiki/Are_You_Afraid_of_the_Dark%3F

This is probably Are You Afraid of the Dark?, a Canadian horror-anthology series for teens where the framing device was a group of kids who met in the woods to tell each other creepy stories.

The 'flashback' you mention would be the show cutting from the group to the story being told.