The mild, mild West Dudley Riggs veteran Mo Collins hasn’t been seen much on screens these days, but she can still be heard on “Sheriff Callie’s Wild West,” the first western for preschoolers. Collins provides the voice for three characters, including newspaper editor Abigail Crain, who’s front and center in this new episode. 4 p.m., Disney Junior
Cover girls Age is just a number, especially if you’re Tyra Banks, Christie Brinkley, Kathy Ireland or another model reuniting for “Sports Illustrated Swimsuit: 50 Years of Beautiful.” 8 p.m., KARE, Ch. 11
The laugh factory Only Bob Hope made more appearances on “The Tonight Show With Johnny Carson,” yet David Steinberg is a mystery to a younger generation. Find out why he was so influential in his early years in “Quality Balls — The David Steinberg Story.” The documentary is followed by Steinberg’s comic interview show, “Inside Comedy.” 8:30 p.m. and 10 p.m., Showtime
Poll: Which of these returning TV series are you most looking forward to this fall?