Mardi Gras GalaDoug Hill, chief meteorologist at WJLA-TV and NewsChannel 8, returns as the master of ceremonies for the United Way of Calvert County's Mardi Gras celebration 7 p.m.-midnight Saturday. The guests at the formal gala will laissez les bon temps rouler ("let the good times roll") with a cocktail reception, authentic New Orleans cuisine and performers, costume and mask contests, a palace parade with floats and the crowning of the Mardi Gras king and queen. Show Place Arena, Upper Marlboro. Registration, $115. 410-286-0100. http://www.unitedwaycalvert.cmarket.com. Award-Winning PlayThe Twin Beach Players perform "Whispers of Saints" at 8 p.m. tomorrow and Saturday and at 2 p.m. Sunday. The same schedule repeats March 9-11. The play was honored at the 2002 Baltimore Playwriting Festival as Best Play and Best Production. Black Box Theatre, Union Church Education Building, 8912 Chesapeake Beach Ave., North Beach. Adults, $12; seniors and students, $10. 443-624-1451.

Author LectureCollege of Southern Maryland professor and author Wayne Karlin shares audio and video clips in "Wandering Souls," his account of his experiences returning notebooks and personal papers to the family of a Vietnamese soldier who was killed in the Vietnam War in 1969. 7:30 p.m. tomorrow, College of Southern Maryland, Leonardtown Campus, Building A Auditorium, 22950 Hollywood Rd. $2. 301-934-7864, 301-870-3008, Ext. 7864. http://www.csmd.edu/connections. 'Bye Bye Birdie'Calvert High School Theater presents the '50s Broadway musical "Bye Bye Birdie," 7:30 p.m. tomorrow, Saturday, March 9 and 10. The story is about a rock-and-roll star recording a final hit song before being sent into military service. Calvert High School, 600 Dares Beach Rd., Prince Frederick. $8; students and seniors, $6. 410-535-7330.