Rover Dramawerks is celebrating its 20th year and season with a showing of seven audience favorites, including three shows from past seasons and a new-to-the-theater Sherlock Holmes adventure. Rover is the longest-producing small professional theater company in Plano, according to the group. The Rover Dramawerks Theater is located at 221 W. Parker Road, Ste. 580. 972-849-0358. www.roverdramawerks.com

Correction: A previous version of this post misspelled the name of the theater company in the headline.