Be careful when you sign the name, "SANTA" on your presents!

There's another name that can be made from those letters.

Watch Lisa Braatz as Mrs. Mary Margaret O'Brien, a former nun who now runs the Christmas Bingo show.

This holiday comedy is written by Vicki Quade, one of the creators of the hit comedy, Late Nite Catechism.

Christmas Bingo: It's a Ho-Ho-Holy Night was picked in 2013 as one of the ten holiday shows featured by Chicago Tribune arts critic Chris Jones.

For more information about the show, go to www.christmasbingo.info.

This clip was filmed before a live audience at the Royal George Theatre, Chicago.