8 p.m. ET on SMITHSONIAN This remarkable new one-hour nature documentary follows the “Five Musketeers,” an inseparable quintet of lion brothers who grew up together amid the ancient sands of the Namib Desert in southern Africa. As the brothers reach maturity, they wander off, each in search of his own desert kingdom. It’s a journey that’s fraught with dangerous terrain, deadly creatures and bitter conflict. Ultimately, one lion among the group tries mightily to keep their family legacy alive.
8 p.m. ET on PBS, PBS-HD
Some climates can make you wonder how other people can live in them, and such regions are the focus of this new three-part series. “Surviving the Extreme” provides an overview of such areas, from the harsh cold of the Arctic to the steamy jungles of South America. The hour also pays attention to the methods their residents have devised — which, in some cases, is as simple as a mindset shift — to cope with their respective environments.
9 p.m. ET on CBS – Series Premiere
Game shows have gotten unexpected hosts in recent times, such as Alec Baldwin and Jamie Foxx — and now, add Kevin Hart to the list. The comedian, actor and author presides over this new competition, which puts players through an obstacle course while rivals try to interfere with their progress. At the end of each hour, the two top contenders square off for a potentially big cash payout. Hart also is an executive producer of the show, along with Mark Burnett (“Survivor,” “The Voice”).
10:03 p.m. ET on LIFETIME – Series Premiere
In this offbeat new half-hour unscripted series, ride-share passengers get an added, if very surprising, service from Thomas John, their driver. He’s actually a world-renowned medium, and as their drive together is in progress, he makes contact with the other side and relays messages from departed family members and friends of his passengers, whom he’s never met before.
10:04 p.m. ET on TLC – Series Premiere
Viewers of a squeamish disposition should give a wide berth to this new series adaptation of an inexplicably popular YouTube channel (3 million subscribers!) in which Dr. Sandra Lee — aka Dr. Pimple Popper — treats patients who are suffering from some of the biggest pimples, blackheads and cysts ever seen. Her method of treatment? See program title. Unless you have a fetish — or at least a high tolerance — for large volumes of pus, avoid at all costs.