Sky One HD Saturday

Steve freedives with whales and dolphins, getting closer than ever before to record rarely seen behaviours from these extraordinary mammals

Steve reveals the ingenious hunting strategies of whales and dolphins, using sound, skill, teamwork and strategy to catch their prey

The Canadian Grand Prix sprint qualifying session. Action from the fifth round of the season, held at Circuit Gilles Villeneuve in Montreal

Bart drives Lisa to distraction on a school trip to a glacier, tormenting her until she takes out a restraining order forbidding him to come within 20ft of her

Worried she will never have a child, Selma flies to China to adopt a baby - but makes the mistake of roping in Homer to pose as her husband. With the guest voice of Lucy Liu

Homer moves into a camper van parked in the backyard, while Marge retains sole residence of the family home - prompting Bart to take swift action in a bid to reunite them

Marge is unhappy with Springfield's lack of culture, and arranges for a concert hall to be built. However, Mr Burns turns it into a prison, where Homer finds himself detained

Professor Frink's revolutionary new invention gives Bart and Lisa a startling glimpse of themselves as they will be in eight years' time

Homer is committed to a mental institution by Marge, who refuses to believe his tales about befriending a mysterious roofing contractor. With the guest voice of Stephen Hawking

Charlton Athletic v Leicester City (Kick-off 12.30pm). Coverage of the relegation play-off, held at The Valley

A look at comical incidents from the beautiful game over the last few years, with contributions from pundits including Gary Neville and Chris Kamara

The sleuth reluctantly promises to attend James's wedding, but the nuptials take a sinister turn when a body is found on the morning of the big day

The Canadian Grand Prix sprint race. Highlights from the fifth round of the season, held at Circuit Gilles Villeneuve in Montreal

Bart becomes addicted to junk food and eventually suffers a heart attack, prompting Marge and Homer to send him to a fat camp - which they fund by taking in German lodgers

Lisa enters a singing competition on the Krusty the Clown Show, but Homer's competitive streak threatens to ruin her performance

Elton John enters an addiction rehabilitation session, and recounts his extraordinary life in a flashback. Biopic, starring Taron Egerton and Jamie Bell

The Canadian Grand Prix qualifying session. Action from the battle for grid positions for the fifth round of the season, held at Circuit Gilles Villeneuve in Montreal

Ted Kravitz reviews the Canadian Grand Prix qualifying session

The IRS taps the team to investigate the legitimacy of a new organisation seeking religious status for tax exemption

At Dr Boggs' request, the team is introduced to a recently widowed Catholic named Nathan and his teenage son Elijah

The Proactive Squad from Thames Valley Police uses unmarked cars with video cameras on board to give an intriguing insight into car crime and ways it can be prevented

An intruder in a shop upsets staff, while some dodgy driving alerts officers to an illegal stash in the offending car

Following Australia's traffic enforcers as they deal with high-speed chases, defiant hooligans and explosive crashes

Following Australia's traffic enforcers as they deal with high-speed chases, defiant hooligans and explosive crashes

Steve encounters whales that face the longest migratory journeys, including a female Southern Right Whale that has travelled to the waters off Argentina to give birth