We bring back Blue Peter's bring-and-buy sales and we show you how to put on the perfect one for Children in Need. Lindsey starts her latest physical endurance challenge - Swim Run, also some master UK speedcubers will be showing off their skills in the studio and putting the presenters to the test.

Sixty years on from Blue Peter's very first episode, past presenters return to celebrate with makes, games and lots of classic BP. Lindsey attempts to fly a hot-air balloon in the Arctic Circle, Radzi boards an aircraft carrier to create a massive birthday message, and we give Ed Sheeran a very special surprise. Also, there is music from Jonas Blue, HRVY, The Vamps and Sophie Ellis-Bextor.

In a one-hour live special, CBBC's flagship programme is set to remind the nation how it has come to transcend six decades and countless generations and why it still manages to inspire kids to send in more than 100,000 letters and pictures each year with nearly 200,000 under 16s owning at least one Blue Peter badge.

The special diamond anniversary programme will encapsulate all that has made the show unique over the past 60 years.

Past presenters will be joining the celebrations including Valerie Singleton, Peter Purves, Anthea Turner, Konnie Huq and Tim Vincent, some of who have been saving their washing up liquid bottles and toilet rolls for a live studio ‘make' with a difference; Ed Sheeran will be honoured with the highest Blue Peter accolade, a Gold Blue Peter badge; there will be music from Jonas Blue feat. HRVY, The Vamps, and Sophie Ellis-Bextor all accompanied by the BBC Philharmonic Orchestra; the Diamond Time Capsule will be sealed in The National Archives which, as a non-governmental record, is a very rare event; and there will be an announcement about the return of the show's hugely successful Bring and Buy Sales campaign in support of BBC Children in Need this November.

It's your last chance to earn the 2018 Sport badge. Some incredible sport personalities will be trying to earn theirs by attempting a new sport in the Blue Peter studio. Will they have what it takes to join Team Radzi? Also, Lindsey starts training for a truly epic challenge involving the big birthday balloon!

Magician and illusionist Jamie Raven marvels us with some amazing trickery. Lindsey attempts the art of bell ringing and Blue Peter Book Award-winning author Cressida Cowell tells us about her latest book release, The Wizards of Once: Twice Magic.

Blue Peter's brand new competition is launching. Also, we celebrate Roald Dahl Day with creepy crawlies straight from the pages of James and the Giant Peach, blow your mind with an incredible contortion act from Cirque du Soleil and catch up with Callum and Iggy.

Lindsey and Radzi attempt to break not one, not two, but three world records! All with a little help from Radio 1 Breakfast DJ Greg James. Also, Radzi takes to the track behind the scenes at the Formula One British Grand Prix.

Blue Peter is going green with a big beach clean, a recycled make, a special green badge giveaway and a visit to a pea farm. The green badge special couldn't get much greener.

Blue Peter purple badge holders control the show. Everything has been requested on their purple badge forms, including stinky skunks, Irish dancing and a very funny comedian, Milton Jones.

We're launching the brand new 2018 Sport badge. It's all about giving a new sport a go, so we're trying footgolf, netball and freestyle skateboarding. Also, we're joined by a skateboarding dog!

We announce the three winners of our Flying High competition. The star of Hetty Feather, Isabel Clifton, pops into the studio, Radzi tries not to fall into the water when he attempts paddle boarding, and there's another chance to enter our new Diamond Time Capsule competition and be a part of Blue Peter history!

Blue Peter celebrate summer in the city with a party in the BP garden. They are joined by Now United for their UK TV debut. Magician Joel is ready to wow with some incredible sleight of hand tricks. Also, Radzi attempts to ride a penny farthing. What could possibly go wrong?

It's competition time on Blue Peter as we give you the chance to be a part of Blue Peter history by designing our diamond time capsule! Also, Lindsey visits the iconic Blackpool Tower for a spot of maintenance and Radzi shows you how you can recycle plastic bags to make your very own kite!

Blue Peter see Radzi become a tank commander to conquer some very muddy terrain. Marvel at a seriously talented circus act from Colombia. Also, find out how to make your very own blow football stadium just in time for the 2018 FIFA World Cup.

We're celebrating 30 years of the Blue Peter green badge! We hang out with some bees in the BP garden and also learning how harmful plastics can be to our environment. Also, we make a giant eco-friendly green badge and we go behind the scenes to see how Springwatch set up their nest cameras.

It's a Fan Club takeover so Blue Peter are taking requests. Prepare for world-record attempts from Officially Amazing and the queen of slime herself, Karina Garcia. Also, we check in with the Blue Peter time capsule on tour.

We take a step back in time and uncover the contents of the Blue Peter time capsule, buried 20 years ago! We also want your ideas for a new BP time capsule and author Terry Deary will be giving you some inspiration. Also, Kidz Bop join us in the studio and perform hit song New Rules.

You won't believe your eyes when we set fire to water using miniscule science. There's live music from Una Healy. Also, George is back to kick-start the Blue Peter garden.

We're having a Eurovision party, as UK entry SuRie performs her song Storm in the studio. We also catch up with Scott Mills and Rylan Clark-Neal in Lisbon for the latest Eurovision update. Also, there'll be more of you receiving your diamond badges and there's another chance to enter our Flying High competition, and be in with a chance of winning a once-in-a-lifetime prize.

Blue Peter are teaming up with the world famous RAF Aerobatic Team, the Red Arrows, to offer a once-in-a-lifetime prize. Also, basketball legends the Harlem Globetrotters visit the studio to show off their epic skills and M.O perform their latest single, Bad Vibe.

It's a packed animal special as meerkat pups, baby tortoises and piglets are in the studio! Vets from CBBC's The Pets Factor offer advice on your pets, Radzi joins a team of toad patrollers, and animal fan Naomi Wilkinson guest presents.

This episode of Blue Peter has got it all. It's jam-packed. In fact there is so much in it, we'll struggle to tell you about it all right here. Especially when we spend so much time talking about how much is on the show. Oh, we've run out of space now. Watch it!

We announce the winner and runners-up of our Big Birthday Balloon competition, with an extra special reveal of the winning balloon! Britain's Got Talent superstar Alesha Dixon tells us all about her new book and we also announce another competition.

Warning, this is the most hair-raising and exciting episode of Blue Peter ever! Radzi conducts four million volts of electricity to shoot lightning bolts from his hands. Plus four motorbike riders race around the infamous Globe of Death, and we're joined by Henry Danger himself.

Get set for Easter with Blue Peter. We'll show you how to reuse your Easter egg boxes to build a cool automaton. Radio 1's Greg James and Chris Smith pop in to talk superheroes and Lindsey delivers the very first diamond badges.

Find out how Lindsey and Radzi got on with their Sport Relief Challenge. How many steps will they be able to add to the Mega Mileathon Totaliser? There's a sneak peek behind the scenes of Sport Relief. Plus Dako Flying Angels showcase their fantastic gymnastic display skills!

Get set for Sport Relief with Radzi and guest presenter Brad from The Vamps! How will they fare when trying flatland BMX riding with record holder Matti Hemmings? Also, we kick off Lindsey and Radzi's very own Mega Mileathon challenge!

Get set for Mother's Day with Lindsey and guest presenter Tyler West from MOTD Kickabout. We slice up the Blue Peter cheese to make the ultimate breakfast in bed. Plus Lindsey heads onto the Wembley pitch for a rugby league challenge and we announce March's Fan of the Month!

It's the Blue Peter Book Awards, so we find out which books win Best Story and Best Book with Facts, as well as who is surprised with a gold badge. Plus we see if a simple book can support the weight of two presenters on a zip wire.

It's the launch of the Blue Peter 2018 Sport Relief totaliser with the help of internet star Chris MD! Lindsey is joined in the studio by MOTD Kickabout's Ben Cajee, Radzi goes behind the scenes at the largest science experiment in the world and impressionist, Jess Robinson, sings a song or two.

It's an ice-cold special. Find out what it means to be chilly with epic liquid nitrogen experiments. Lindsey and Radzi try ice hockey, HRVY performs in studio, and our guest presenter is the coolest guy around, Steve Backshall!

To celebrate the Winter Olympics, Blue Peter brings you a snow sport special! Radzi takes on a very special skeleton bob challenge, Lindsey gives snowboarding a go, and the two go head to head In a speed skating race! Where better to bring you a show full of action on ice, than the Swiss Alps?

Lindsey is joined by Strictly star Mollie King, who takes on Blue Peter presenting duties for the day! We commemorate Vote 100 and the suffrage movement, singing sensation Calum Scott performs his new single You Are the Reason, and there's a pancake challenge!

A special edition of Blue Peter marks the show's 5000th episode, with the launch of a new Diamond Badge, designed by international fashion designer Henry Holland.

The first Blue Peter badge was launched 55 years ago, and today a host of well-known faces talk about how special the Blue Peter badge is.

Lindsey takes a trip to HMS Belfast to help with some key maintenance of the ship, including climbing the mast over 100 feet above the River Thames.

Nine year-old magician Issy Simpson, who appeared on Britain's Got Talent, performs some illusions live in the studio.

It's a purple badge take over as everything is suggested by Blue Peter purple badge holders! Young comedian Ned Woodman takes centre stage for some Blue Peter LOLs. We witness some impressive flute-beat boxing skills and Lindsey takes on a speedy challenge in a dragon boat.

Lindsey joins Awesome Animation competition winner Rory on the red carpet, and Radzi gives indoor surfing a go. Get ready for plenty of wipeouts!

It's an orange badge special. We announce the winner of the Awesome Animation competition while launching a brand new one for Blue Peter's big birthday in its 60th year. Also, Radzi and Sport badge holder Chloe head behind the scenes at BBC's Sports Personality of the Year 2017.

Blue Peter look back at an epic 2017. Relive Radzi's entire epic skydiving challeng,e from training to attempting a parachute stack with the actual RAF Falcons!