Satellite choice

sleeps about as much as we do, for instance — and whether dreams are our brains’ way of preparing us for tricky real-life situations.

ANIMAL TALES

Inside The Zoo: Down Under, 9pm, More4

THE stakes are high in this engaging new trip to Sydney’s Taronga Zoo as the staff are fighting to save a whole species from extinction. Also, there’s concern for the offspring of a pregnant ring-tailed lemur (pictured) after she gets into a fight, and five of the world’s largest rodents arrive from New Zealand.

SKETCH SHOW

Famalam, BBC3 (via iPlayer)

A NEW series for this riotous sketch comedy, with returning characters such as Nigerian philanthropist Prince Alyusi.

FREEVIEW THRILLER

Manhunter, 9pm, ITV4

MICHAEL MANN’S superior adaptation of Thomas Harris’s Red Dragon (remade under that name in 2002) stars a pre-CSI William Petersen as the FBI man going head to head with a serial killer known only as the Tooth Fairy — and running into his old nemesis, Hannibal Lecter.

DARK FANTASY

Lovecraft Country, 9pm, Sky Atlantic

ARE the trio guests or prisoners in the mansion? How do their hosts, such as Christina (Abbey Lee, pictured), know so much about them? And why are there gaps in their memories? Part two is an unsettling journey that answers these questions quicker than you might expect, which is a mark of good TV.

DETECTIVE PREQUEL

Prime Suspect 1973, 11pm, ITV3

AT TIMES, this Prime Suspect prequel may be more reminiscent of Life On Mars in its broad-brush re-creation of the Seventies, but it becomes more involving as it goes on, chiefly because of Stefanie Martini’s performance as young Tennison. This is the first of a nightly repeat from the start.

HORROR FLICK

Swallow, 11.45pm, Sky Premiere

DOMESTIC horror, not bliss, awaits Hunter (Haley Bennett), who, overwhelmed by her husband and his controlling family, develops a habit for eating household objects.