HOUSTON -

In this week's Freebie Friday, we've got a free meal and free dishwashing detergent to help you clean up after dinner!

The meal is a hump day treat from Panda Express. Just print out the coupon at this link or show it on your phone to get a free Surf & Turf meal at Panda Express anytime on Wednesday.

You can sign up online to get a free sample of Finish Quantum Power dishwashing Gel.

Head to Carl Lewis Field at the UH main campus Friday night to watch the University of Houston football program's 2013 Spring Game free of charge. Kickoff is at 7 p.m.

Catch Discovery Green's "Green Film Series" with a free screening of "Grow" Friday night. Chipolte will have free tacos and Saint Arnold's and Barefoot Wine will be handing out free samples. Activities start at 7:30 p.m. The movie starts at 8:30 p.m.

Bring your blanket and lawn chairs to a concert the whole family can enjoy Saturday from 4 to 6 p.m. at Marimon Park in the Heights. Award-winning Texas singer-songwriters Brian Kalinec, Matt Harlan and Don Sanders will perform.

It might be your last weekend to catch the bluebonnets. While you're making the drive, head up to the Bluebonnet Festival in Chappell Hill near Brenham. Admission is free both Saturday and Sunday.

Discovery Green is hopping this weekend. Take your kids to the Young Writers Workshop on Saturday at 10:30 a.m. It's sponsored by the Houston Public Library Express.

Then Sunday you can hula from 10:30 to 11:30 a.m. at a free Discovery Hoop Dance class.

Stick around for free Earth Day festivities from 11 a.m. to 5 p.m.

Take your school-aged kids to the downtown Central Library at 500 McKinney St. at 3 p.m. on Saturday to have fun with science experiments.

Scouts and leaders from 16 counties will unite at Reliant Arena, 8400 Kirby Drive, on Saturday at 3 p.m. to share educational activities, games and demonstrate scouting skills. The Boy Scout Fair is free and open to all ages. Parking is $10. For more information, call 713-659-8111 or visit this website.

On Sunday afternoon, head to Jones Plaza at 610 Louisiana Street Downtown for the Houston Children's Chorus Spring Pops. The concert begins at 6:30 p.m. Food trucks will be available from 4:30 to 6:30 p.m. Call 713-650-3800 for more information.