Tomorrow is the first Friday the 13th of the year, so to celebrate, the Lakewood Theater is screening “The Rocky Horror Picture Show” and “Repo! The Genetic Opera.” The double feature begins at 10 p.m., and tickets are $13.

CrossFit White Rock is offering a free “Intro to CrossFit” workout this Saturday, Jan. 14 from 10- 11 a.m. Certified coaches will lead  a series and warm-ups and offer a taste of what the gym offers.

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Relativity Outdoors at Mockingbird Station hosts “recharge at Relativity” from 11 a.m.-1 p.m. Saturday. Personal trainers from Baylor Tom Landry Health & Wellness Center will be available to answer questions and offer advice. Massage chairs and vitamin B-12 shots also will be available.

Reforma offers bi-lingual story time from 2-3 p.m. Saturday at the Lakewood Branch Library.

The Burning Hotels perform Saturday at Granada Theater. The $18 ticket includes performances by Menkena at 8 p.m., Air Review at 9 p.m., and the Mon Julien CD release at 10 p.m., all before the final act.

Author L.A. Starks hosts a book signing and champagne reception to celebrate her book, 13 Days: The Pythagoras Conspiracy, at 3 p.m. Sunday at the Alexander Mansion. Admission is $20.