1) “Nautilus” (shown here) season-finale, 9 p.m., AMC, rerunning at 11:07. Two large — and very different — episodes are back-to-back. First, Nemo and friends finally find the treasure land … and big trouble. Then, surprisingly, we get a corporate battle. Both hours strain credibility (especially the second). Still, this tends to be an oddly entertaining romp.
2) Football, 8 p.m. ET, Fox. We’re starting the final seven days of pre-season games, with each network warming up. It’s Fox tonight, with Buffalo at Chicago; coming are games on ESPN (Monday), Amazon Prime (Thursday) and CBS (Friday). Also, the NFL Network has Jacksonville-New Orleans at 1 p.m. today, with six more games next week.
3) “Tracker,” 9 and 10 p.m., CBS. Both reruns push Colter closer to his biggest goal — solving the years-ago murder of Gina Pickett. In the first one, he also searches for someone who seeming died in a car crash, months ago.
4) “Dirty Dancing” (1987), 7:30 p.m., CW; or “Sister Act” (1992), 8:33, ABC. These movies remain eternally popular, partly because of their rich use of music. One has Jennifer Gray discover dancing and Patrick Swayze at a summer resort. The other has Whoopi Goldberg ducking killers by pretending to be a nun who’s a choir director.
5) More movies. CMT has the first three Indiana Jones films, at noon, 3 and 6 p.m. Freeform counters with an exceptionally good night of animation — the “Ralph” films at 2:50 and 4:55, “Coco” at 7:30 and “The Lion King” at 10. And FX has the amiable “Jungle Cruise,” at 7 and 10.