As Houston’s last remaining vintage movie theater, the River Oaks Theatre has held court on West Gray since 1939. After Landmark Theatres was founded in 1974, the River Oaks became one of its first acquisitions just two years later. Although the lease expires on March 31, 2021. Around 8:22 p.m. Thursday, March 25, the marquee lights were turned off at the River Oaks Theatre for the last time.