DON’T MISS: “Chernobyl” – This riveting five-part miniseries dramatizes the massive 1986 explosion at the Chernobyl nuclear power plant in Ukraine – one of the worst human-made catastrophes in history. It tells the story of the brave men and women who made incredible sacrifices to save Europe from unimaginable disaster, all the while battling a culture of disinformation. The cast is headlined by Jared Harris and Emily Watson, who play Soviet nuclear physicists called upon to deal with the calamity. (9 p.m. Monday, HBO).
SUNDAY: In “The Spanish Princess,” Charlotte Hope portrays Catherine of Aragon, the strong-willed young Princess of Spain, who has been promised the English throne since she was a child. During the first of eight episodes, she arrives in dreary England, where things don’t quite go as planned. (8 p.m., Starz).
MONDAY: The fantasy series “Shadowhunters” comes to an end with a two-part series finale. In the first hour, Clary comes up with a plan that will bring Shadowhunters and Downworlders together, as Alec desperately struggles for a way to help Magnus. (8 p.m., Freeform).
MONDAY: As Hannah Brown prepares to start handing out the roses next week, Chris Harrison hits the road to host “The Bachelorette Reunion: The Biggest Bachelorette Reunion in Bachelor History Ever!” Apparently that title says it all. (8 p.m., ABC).
TUESDAY: “Texicanas” is a new reality series set in San Antonio, which boasts one of the largest Latino populations in the U.S. The show follows stylish group of female sophisticates who grapple with the ongoing challenges of American culture, while still finding ways to honor their heritage and traditions. (10 p.m., Bravo).
WEDNESDAY: The devil’s work, apparently, is never done. After being canceled by Fox, “Lucifer” finds new life in the streaming universe. The 10-episode fourth season picks up about a month after May’s cliffhanger, in which Lucifer (Tom Ellis) finally revealed his demonic side to Detective Chloe Decker (Lauren German). Gulp. (Netflix).
WEDNESDAY: On the season finale of “Modern Family,” the birth of Haley and Dylan’s twins nears and the show looks back at how each family member celebrated their birthdays over the past year. Let’s hope there’s enough cake to go around. (9 p.m., ABC).
THURSDAY: Apparently, someone thought television desperately needed another dating show. Behold “Paradise Hotel,” which is actually a revival of a series that last aired 11 years ago. Kristin Cavallari hosts. (8 p.m., Fox).
FRIDAY: As “Avengers: Endgame” tears it up at the box office, “Marvel’s Agents of S.H.I.E.L.D.” returns to significantly less fanfare. Season 6 picks up a year later. Scattered across the galaxy, the team works to find their footing in the wake of losing Coulson. (8 p.m., ABC).
FRIDAY: Giovanni Ribisi is back as the sly con man, and ex-prison inmate, in “Sneaky Pete.” In Season 3, he deals with a personal conflict: the chance to become more like a normal human being is enticing. But it also scares the heck out of him. (Amazon Prime).
SATURDAY: Oscar-winner Emma Thompson makes her “Saturday Night Live” hosting debut tonight. The Jonas Brothers are the musical guest. (11:30 p.m., NBC).
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