HOUSTON -

There's plenty of free stuff to do this around town this weekend, including free outdoor movies, so grab your folding chairs and some amigos.

Free Rolling Roadshow - The Three Amigos

"The Three Amigos" movie starring Steve Martin, Martin Short and Chevy Chase will be shown Saturday at Market Square downtown at 8:30 p.m.

The free showing is part of the Alamo Drafthouse Rolling Roadshow.

It's lawn seating so bring a blanket or chairs.

Free Miller Screening - The Artist

Looking for a quieter movie? Miller Theater screens The 2012 Academy Award winner for Best Picture, The Artist, will be playing at 8:30 p.m. at Miller Theater Saturday night.

Free Cinco De Mayo Parade

Saturday morning kicks off Cinco De Mayo at the LULAC Cinco De Mayo parade starting at 10 a.m. downtown at Texas and Hamilton.

Free Cinco De Mayo Celebration

The Houston Astros are inviting the public to the 2013 Cinco de Mayo Celebration at Minute Maid Park.

The Street Festival, presented by Budweiser and Univision, starts at noon.

It features live music, player appearances, games and activities and traditional Latin food and beverages.

The festival is free, but if you want to go to the game you are going to have to buy a ticket.

Free Dragon Boat Festival

You can watch free dragon boat races Saturday downtown from 8:30 a.m. to 4:30 p.m.

More than 30 teams will paddle traditional dragon boats through Buffalo Bayou.

Free Museum on Us Admission

The first weekend of the month means free admission to the Houston Zoo, Children's Museum or Museum of Fine Arts if you are a Bank of America card holder.

It's part of the Museums on Us program. Click on the link above for more information on how it works.

Free Sample of Mio Fit

And if all the weekend fun leaves you thirsty, you can get a free drink sample of Mio Fit sports drink if you tweet how you use it in your workout.