With spring in full swing (or is it summer?), our nests are full to bursting. It's a season of new life. As well as all our live nest cameras, tonight's Springwatch showcases some of the season's most recognisable stars.

The call of the cuckoo is a sure sign spring has arrived, and Michaela wants to hear it first-hand! Megan McCubbin revels in Kielder Forest being one of the best dark sky locations in the UK and what that means for its wildlife. Over on the Isle of Mull, Iolo Williams is investigating the comings and goings of one of his all-time favourite birds, the hen harrier.

Kirstie Allsopp visits Devon to meet single mum Michelle, who has moved back to Exmouth and wants a place where she and her son Dan can call home. After many failed offers, Michelle feels stuck in her small rented apartment that was only ever meant to be temporary. It's the lowest stock levels Kirstie's ever seen, meaning good luck and property prowess are required in equal measure if she's to find that needle in a haystack for Michelle.

Music Week brings three different musical and sartorial genres to the Sewing Bee. Sara Pascoe kicks off the week with a pattern for the parka coat that was adopted by Mod culture in the 1960s. With its classic fishtail vent and complex zip opening and hood, this is a feat of engineering.

Country music is the inspiration for the Transformation Challenge, as the sewers take old denim and turn it into stage gear worthy of Dolly Parton. Finally, the Made to Measure is an homage to David Bowie and his many incarnations. The sewers pay tribute with Bowie-inspired outfits fitted to a model.

38-year-old Clare was always told that her father was a British soldier stationed in Belfast during the Troubles. Now, Clare wants to solve the mystery of his identity.

Leigh only discovered that he might have a secret sister after his mum passed away. He now wonders if his sister is still alive.

It was only when Jenna and Ryan were pregnant that they realised they both carry a genetic mutation that could be deadly if passed on to their kids. They're hoping that DNA testing can help.

A dirt bike accident leaves a 13-year-old girl with a nervous wait for spinal X-rays, while a teenager has a needle stuck in his finger after a school sewing class.

Mother and daughter Janet and Olivia are searching in their home town of Blackpool, and believe that creating a stylish show home will catapult them into first place, while Swansea brothers Ricky and Andrew are stung by massive auction fees and left with a tiny budget to complete a full renovation. Can either team stick to the spending limit and take the top spot for the £100,000 prize?

The documentary offers an insight into wife killer Glyn Dix, asking what drove him to commit such a horrific murder.

This week's guests are Bill Bailey, Jo Brand, Harriet Kemsley and Darren Harriott.

Everyone remembers the Wise Owl, of course - the bossy cartoon bird keeping children safe back in the 1970s. Those old information films had a lasting effect on all of us, especially Ronnie, who has spent his entire life trying to do the right thing. But what is right? And what is wrong?

Bob learns a valuable lesson from a mysterious new customer at the garage, while Ruby has a big decision to make about her future. Meanwhile, Bernie comes up with a solution to help the currently homeless Mulvaney.

Returning Champion;

On an all-new episode of Ridiculousness Rob, Chanel and Steelo lend an ear in GOOD LISTENERS, slide hard in RAIL RIDERS, and tear it up in GRIP IT AND RIP IT.

On an all-new episode of Ridiculousness Rob, Chanel, and Steelo cash in their tokens for some ARCADE FIRE, have a run in with INTENSE INDIVIDUALS, and get lost in a PHONE FOG.

The third round of auditions begins on the hit dance competition series SO YOU THINK YOU CAN DANCE, as highly skilled dancers between the ages of 18 and 30 showcase their talents in various dance styles, including contemporary, tap, hip-hop, ballroom, animation, breaking and more. Those who are selected to move on to the SYTYCD studio will work with world-renowned choreographers and compete each week in a variety of styles, with brand-new twists and turns introduced into the competition.

On an all-new episode of Ridiculousness Rob, Chanel, and Steelo turn up the chest heat in HEARTWARMING, go for it all in TOO BIG TOO SOON, and use footwear as a weapon in SHARP SHOE-TERS.

On an all-new episode of Ridiculousness Rob, Chanel, and Steelo test the strength of SHE HULKS, set up the board for a little GAME TIME, and watch clips that have them wondering WHAT AM I LOOKING AT?

With Lucy's arrival in Erinsborough, things turn from bad to worse for Terese.

Glen discovers that Nicolette is digging into his past.

Susan kicks Karl out of the house after learning there's no chance of getting their money back.

Huw Edwards, Kirsty Young and JJ Chalmers present coverage from Buckingham Palace and along The Mall up to Horse Guards Parade as this military spectacle takes place. The morning's events celebrate Her Majesty's 70 years on the throne with an expected appearance of members of the royal family expected to assemble on the balcony of Buckingham Palace for a special jubilee flypast.

Lynne and Paul have found a beautiful stretch of coastal wilderness with panoramic views over the Tasman Sea. With plans to build a huge modern home, Paul will project manage while living on site.