Baskerville A Sherlock Holmes Mystery 184458 Now Thru July 21st | Thurs. Fri. Sat. -7:30pm Sun. | Matinees 2:00 406-883-9212 | PortPolson Players.com At Polson's Historic Theatre on the Lake Baskerville A Sherlock Holmes Mystery 184458 Now Thru July 21st | Thurs. Fri. Sat. -7 : 30pm Sun. | Matinees 2:00 406-883-9212 | PortPolson Players.com At Polson's Historic Theatre on the Lake