Bastille on Bishop is on a Saturday this year! It’s from 6-11 p.m., and it’s free to attend, but food and beverages are on the token system. Buy yours here.

The Oak Cliff Chamber of Commerce offers a free home-buying workshop from 10 a.m.-2 p.m. Sunday.

CocoAndré Chocolatier offers kids story time fro 11:30 a.m.-12:30 p.m. Saturday.

Viola Delgado offers a free art talk from 2-3 p.m. Saturday at Mercado 369.

Elevate Dallas offers a 3D printing class from 1-3 p.m. Saturday.

The second-annual KNON film festival starts at 2 p.m. Sunday. The lineup includes seven movies, and all proceeds to go supporting the nonprofit community radio station.

Backyard Stories returns to the Wild Detectives from 7-9 p.m. Sunday.