Marvin Dixon: He's a popular DJ for Miami radio station 99 Jamz, but he also has performed at comedy clubs across the country and on HBO's Def Comedy Jam and BET's Comic View. 8 p.m., Improv at Centro Ybor, 1600 E Eighth Ave., Tampa. $10-$12. (813) 864-4000.
Gem of the Ocean: Get a preview of this play written by two-time Pulitzer Prize winner August Wilson. Set in 1904 Pittsburgh, it's part of Wilson's decade-by-decade look at the black experience in 20th century America. 7:30 p.m., American Stage, 211 Third St. S, St. Petersburg. $22. (727) 823-7529; www.americanstage.org.
Ironweed Film Club: Studio@620's series devoted to independent documentaries continues with Convenient Truths: Winners of the Green Video Contest. Ten amateur videos were singled out in this contest sponsored by TreeHugger and Seventh Generation. You can also see The Breast Cancer Diaries, Ann Murray Paige's documentary of her battle while also reporting on "drive-through mastectomies" and how society defines women by their breasts. 8 p.m., 620 First Ave S, St. Petersburg. $5.
Last Comic Standing, 9 p.m., WFLA-Ch. 8: Another contestant is told to pack up. That leaves three finalists vying for the crown.
Children of God: Lost and Found, 7 p.m., Cinemax: A former member of Children of God, a controversial Christian cult, searches for others who have tried to start a life outside the group. Noah Thomson investigates how young adults function in the world beyond the organization, which news accounts have indicated was rife with child sexual abuse.
The Pursuit of Excellence: Lords of the Gourd, 9 p.m., WEDU-Ch. 3: Gardeners haul glorious pumpkins of gigantic proportions to the annual Cooperstown Pumpkin Festival in New York.