POTTSTOWN — Steel River Playhouse’s “Shrek the Musical” continues today at 7:30 p.m., Friday and Saturday at 8 p.m., and Sunday at 3 p.m. An additional 8 p.m. show has been added Sunday Dec. 22 to give everyone an opportunity to see the show. Tickets cost $15 to $27 and may be purchased online. Steel River Playhouse is located at 245 E. High St., Pottstown. Purchase tickets at www.steelriver.org, by emailing firstname.lastname@example.org or calling 610-970-1199. Please note: children under age 4 will not be admitted to the theater.