Food and weight-loss shows abound as Meat the Family sees families facing the realities of being carnivore, Neven Maguire's back on his Seafood Trails, and there's the return of Operation Transformation . . .

Pick of the Day

Meat the Family, 9.00pm, Channel 4

Four families must make a big decision about their meat-eating habits. With expert guidance, for three weeks they care for farm animals in their own homes.

Then they've to decide to either send the animals to a sanctuary, or reintroduce them back into the food chain - and face the prospect of their animals becoming their dinner.

For example: Dawn, John, Max and Sam look after two piglets who become part of their household, they question their entire attitude to what they eat.

Followed 10.00pm by Apocalypse Cow: How Meat Killed the Planet, where environmental campaigner George Monbiot argues that the biggest problem affecting the climate is how we feed ourselves.

We need your consent to load this YouTube contentWe use YouTube to manage extra content that can set cookies on your device and collect data about your activity. Please review their details and accept them to load the content.Manage Preferences

New or Returning Shows

Murder Trial: the Disappearance of Margaret Fleming, 9.00pm, BBC Two

Filmed by award-winning director Matt Pinder, this ground-breaking documentary takes the viewer into the very centre of the trial at Glasgow's High Court and beyond as carers Cairney and Jones are charged with the murder of 35-year-old Margaret Fleming.

Offering an insight into the work of the police and prosecutors in bringing the two suspects to trial, the documentary also shines a light on the work of the defence teams representing the two accused of murder.

Neven's Irish Seafood Trails, 8.30pm, RTÉ One

Back for another run, Neven Maguire embarks on a culinary tour to Ballycotton and east Cork, where he discovers the secrets of making a seafood pie and haddock carpaccio.

Lose Weight and Get Fit with Tom Kerridge, 8.30pm, BBC Two

In the first episode of this six-part series, Tom Kerridge recruits 11 like-minded volunteers from Gloucester, where he grew up , to join him on his weight loss and fitness challenge.

Like him, the volunteers have personal reasons why they want to get in shape and goals they want to work towards.

Snapped: Menendez Brothers - Monsters or Victims, 9.00pm, Sky Crime & NOW TV

In the first of a series of double-length episodes, the shocking true crime series focuses on one of the United State’s most notorious and publicised murder: the Menendez Brothers case.

In 1989, two seemingly privileged brothers from Beverly Hills, Erik and Lyle Menendez, fatally shot their own parents. Were the brothers psychotic monsters or victims of parental abuse?

We need your consent to load this YouTube contentWe use YouTube to manage extra content that can set cookies on your device and collect data about your activity. Please review their details and accept them to load the content.Manage Preferences

New to Download

Cheer, Netflix

From the team behind Last Chance U, this new documentary series follows the competitive cheerleaders of Navarro College in Corsicana, Texas.

The cheerleaders face injuries, sacrifice, personal setbacks and triumphs, all leading up to one nail-biting and adrenaline-pumping final competition at the National Championship.

Jeez, do Americans ever relax?

We need your consent to load this YouTube contentWe use YouTube to manage extra content that can set cookies on your device and collect data about your activity. Please review their details and accept them to load the content.Manage Preferences

Ending Tonight

Red Rock: the Finale, 9.00pm, Virgin Media One

In the final part of the cop show's finale, Keith's in a coma and in debt to a gangster, so Vincent and Bridget must do the unthinkable to save their son.

Meanwhile, Patricia realises there is no way out as she dupes Johno once again.

Don't Miss

Operation Transformation, 9.35pm, RTÉ One

Presenter Kathryn Thomas is back as the show starts its 13th season (unlucky for some?) with five new leaders to follow.

Yep, it's that time of year when a group of Irish people try to lose weight through the power of telly, and get fit with the expert help of a personal dietician, fitness instructor and psychologist.

As an added incentive, the participants' houses and fridges are fitted with webcams to catch them out if they slip back into bad habits.

Here's the first leader revealed:

We need your consent to load this YouTube contentWe use YouTube to manage extra content that can set cookies on your device and collect data about your activity. Please review their details and accept them to load the content.Manage Preferences

Click here for full TV listings