Treehouse Masters (10pm, Animal Planet) - A barn-theme tavern -- complete with a brewing system -- that's accessible by a rope bridge 25 feet high is constructed (in a tree!) for a family in rural Ohio. Pete gets help with the project from some Amish neighbors.
Maron (10pm, IFC) - A troubled Marc (Marc Maron, right) discovers his "Sexfest" fling, Jen (Nora Zehetner), plans to move to L.A. After Marc rejects her, she sets her sights on the next best thing and comes between Marc and his assistant Kyle. Aubrey Plaza ("Parks and Recreation") also guest stars.
Continuum (10pm, Syfy) - Kiera looks into a new street drug that she recognizes from the future. At the same time, the warring Sonya and Travis use gangs as their weapons.
Mystery Diners (10pm, Food) - The owner of zip Cecio, an Italian restaurant in Dallas, wants to get to the bottom of rumors about Tex-Mex food being served out of his establishment without his consent.