PARTY: The delightful Lil Miss Hot Mess is hosting a fabulous Roller Skating Birthday: "Get ready to lace up your skates, buckle your blades, and wipe out with style as you spin around the floor to jock jams from the coolest DJs in school, Durt (Ships in the Night) + Pink Lightning (Stay Gold). Don’t miss roller-drag with Landa Lakes, burlesque-on-wheels with La Chica Boom, and of course, a special performance by the birthday girl herself, Lil Miss Hot Mess! All skate!" (3 to 8 p.m., Cellspace, 2050 Bryant)

COMEDY: The monthly Radiostar Improv's takes on Mardi Gras with Lust for Life, in which they'll record wholly improvised tales of Mardi Gras revelry based on the suggestions of their live audience. The audience is encouraged wear the colors of Mardi Gras, purple, gold and green. (7:30 to 10 p.m., 50 Mason Social House, 50 Mason Street)

FILM: Bad Movie Night begins their attack on DC Comics tonight — "where things are just a smidgen more dire lately" — with the Green Lantern. They're going to riff "all one hundred and twenty minutes (give or take the closing credits) of this green stinkburger." (8 p.m., Dark Room Theater, 2263 Mission Street)