The Collider Weekly TV Guide is a rundown of notable episodes, premieres, returns, finales, and opportunities to catch up on great shows (or cast an eye to the occasional train wreck). Check out our picks for the week beginning with Monday, December 21st:

Monday, 12/21

Legends, “The Second Legend of Dmitry Petrovich” (TNT, 9 p.m.) – In the latest episode of this moderately entertaining spy series, Kate (Aisling Franciosi) goes missing in Prague in the present day, while Martin (Sean Bean) takes a major risk by proposing new plans and Blazek’s (Ivan G’Vera) ties to Tamir (Nikola Djuricko) are found out and questioned.

Tuesday, 12/22

The Expanse, “Remember the Cant” (Syfy, 10 p.m.) – Syfy’s latest epic space adventure continues on and finds Holden (Steven Strait) and his crew taken aboard the Donnager, which causes major rifts amongst them. While they begin to turn on one another, Miller (Thomas Jane) must handle a riot situation on Ceres and Avasarala (Shohreh Aghdashloo) finds herself facing off in a political game with an old “friend.”

Friday, 12/25

Truth Be ToldSeason 1 Finale, “The Tell-Tale Tacos”/“The Wedding” (NBC, 8 p.m.) – The final two episodes of the first season of this amiable NBC comedy climax with a rift forming between Russell (Tone Bell) and Mitch (Mark-Paul Gosselaar) over who gets to officiate a mutual friend’s wedding, which is ultimately put into jeopardy following a series of rumors.

Call the MidwifeHoliday Special 2015 (PBS, 9 p.m.) – The community of this charming BBC comic drama is brought together for a big coral Christmas concert being televised as Poplar prepares for the holiday. Meanwhile, a grieving mother is given a shocking surprise, and Nonnatus is rocked when someone goes missing.

the-expanse-syfy-image-1

Saturday, 12/26

DaVinci’s DemonsSeries Finale, “Ira Deoram” (STARZ, 8 p.m.) – As David S. Goyer’s passable drama, which has a surprisingly fervent fanbase, winds down, Leo (Tom Riley) is forced to put all of his faith in his close friends in the hopes of defeating the Turks after the Ottoman troops' ambush of the Crusaders.

Ash vs. Evil Dead, “Bound in the Flesh” (STARZ, 9 p.m.) – As we enter the last set of episodes of this excellent, sanguine horror-comedy, Ash (Bruce Campbell) comes into contact with his greatest nemesis, as his closest partners must wonder who they can trust in the aftermath of all the delirious craziness of the last few episodes.

flesh-and-bone-sarah-hay-01

Sunday, 12/27

Flesh and BoneSeason 1 Finale, “Scorched Earth” (STARZ, 8 p.m.) – As STARZ’s strange, enveloping ballet melodrama comes to a close (for Season 1 at least), Kiira (Irina Dvorovenko) throws opening night into disarray with a final-hour decision, with Daphne (Raychel Diane Weiner) and Claire (Sarah Hay) getting the greatest amount of attention, and Romeo’s (Damon Herriman) predictions become a matter of intense focus.

The LibrariansSeason 2 Finale, “And the Final Curtain” (TNT, 8 p.m.) – The second season of this TNT fantasy-drama comes to a close with Prospero (Richard Cox) gaining renewed powers that decimate a number of the world’s technologies. Meanwhile, Flynn and Baird (Noah WyleandRebecca Romijn, respectively) travel back to the early 17thcentury to thwart all of Prospero’s devastating plans.

Agent XSeason 1 Finale, “Penultimatum”/”Fidelity” (TNT, 9 p.m.) – A deadly hostage crisis in a Parisian opera house brings John (Jeff Hephner) to action, as he attempts to rescue Eckhart (John Shea), Natalie (Sharon Stone), and a cadre of world leaders in the season 1 finale.