What’s on air this week? Watch ‘The Diplomat,’ ‘The Wizards Beyond Waverly Place’ and more

This feature-length film tells the story of Martha Stewart’s meteoric rise from teenage fashion model to America’s first female self-made billionaire. Director RJ Cutler (The September Issue, Billie Eilish: A Small Dimension of the World) gets the inside story from Stewart herself and those closest to her. The trailer is already generating headlines, and we’ll get the full story when Martha premieres on Oct. 30.

Young Lucy Field (Outer Banks’ Madison Bailey) travels back to 2003 — the same year her sister was killed by a mysterious masked killer. Can he stop the killer without destroying the future? This sci-fi slasher, starring Ginny & Georgia’s Antonia Gentry, hits Netflix on Oct. 30.

After last season’s shocking finale, US spokeswoman Kate Wyler (Keri Russell) doesn’t know who to trust — or how far the corruption may go. Allison Janney joins the cast as US vice president Grace Penn. All eight episodes air on Oct. 31, and season 3 has already been announced.

JB Smoove is hosting Prime Video’s new show, Buy It Now, which will also feature rotating celebrity judges including Gwyneth Paltrow and Tony Hawk. The retail show combines entertainment and commerce as entrepreneurs compete, Shark Tank-style, to impress the judges with their new products. Winners will have their products featured in Amazon’s “Buy It Now” store, which will be visible on Amazon.com and within the Prime app. The show premieres on October 30.

This sequel to Disney’s popular Wizards of Waverly Place follows a now grown-up Justin Russo (David Henrie, reprising his original role), who has given up his magical powers. He must help a powerful witch named Billie, played by Janice LeAnn Brown, learn to control her powers. Original Waverly stars Selena Gomez, Maria Canals-Barrera, David DeLuise and Jake T. Austin are set to guest star; Gomez and Henrie are executive producers. The first two episodes of the show on Disney Channel on Oct. 29, but all eight episodes will be available to stream on Disney Plus Oct. 30.

Bobby Cannavale plays Max, a late-night comedy writer turned struggling comedian who lives with his father (Robert De Niro) while helping raise his son Ezra, who has autism. When a rift with his ex-wife (Cannavale’s original co-star, Rose Byrne) comes to a head, father and son embark on the cross-country journey of a lifetime. Vera Farmiga, Rainn Wilson and Whoopi Goldberg also appear. The film airs on Paramount Plus from Oct. 28.

Gru and family — including new addition Gru Jr. — are forced to relocate as they try to escape baddie Maxime Le Mal. A cockroach-powered French supervillain (Will Ferrell) proves difficult to escape, and Minion hijinks ensue. The film will be released on October 31.