Martha Stewart 8 p.m. on WJLA The Great American Tag Sale With Martha Stewart

As any Martha Stewart fan would imagine, the woman who does everything more beautifully than the rest of us has amassed quite a trove of furniture, artworks, housewares and other collectibles over the years. Now, however, Stewart is looking to part with several items, and this special follows her as she puts together one of the most upscale tag sales ever held.

8 p.m. on WUSA Survivor

After making their way through the tortuously fast-paced 26day competition, the standouts of Season 42 have made it all the way to the final three contenders. But which of that trio truly managed to outwit, outplay and outlast all the others? That is the question in this two-hour season finale, during which a winner is crowned this season’s Sole Survivor. The traditional reunion special immediately follows. Jeff Probst is the host.

9 p.m. on WRC Chicago Fire

As a big wedding day finally arrives, the team at Firehouse 51 welcomes back their old colleague Matt Casey (original cast member Jesse Spencer in a guest appearance) to help celebrate the joyous occasion in the Season 10 finale “The Magnificent City of Chicago.” Meanwhile, Emma’s (Caitlin Carver) plans to replace Violet (Hanako Greensmith) come to a shocking end. This action drama will return for its 11th season.

9 p.m. on WJLA The American Rescue Dog Show

Rob Riggle and Joe Tessitore (“Holey Moley”) host this preeminent canine competition that features rescued doggie companions strutting their stuff and competing for a number of “best in” titles — in addition to stealing viewers’ hearts on a felonious scale. Categories featured in this two-hour special include Best in Underbite, Best in Snoring and Best in Belly Rubs, among others.