Finally on Friday, school's out and it's time for the end of term review in which we take a look back at some unique moments from a staffroom of superstars.

On Thursday, actors Rachel Shenton and Maisie Sly, who starred in the Oscar winning short film, The Silent Child, give a fascinating and interactive introduction to British Sign Language. They encourage the audience to join in as they teach some basic phrases and put them together to hold a short conversation.

Budding space explorers are treated to a unique science lesson from Astronaut Tim Peake in Wednesday's episode, as he delivers a masterclass in how to survive in space and the science behind space rockets. What do you eat, where do you sleep and how do you go to the toilet in space? Tim explains all and brings physics to life with a rocket launch from his very own back garden.

On Tuesday, British Paralympian swimmer Ellie Simmonds OBE offers up a special geography lesson on the world's oceans. The five-times Olympic Gold medallist reveals her love for the oceans, discusses why they are in such danger from plastic pollution and what everyone can do to help protect them.

In Monday's episode award winning actor, singer and dancer Matthew Morrison gives a special lesson about musical theatre. The Broadway star breaks down the famous finale song You Can't Stop the Beat from Hairspray and shows how to perform it. Along with demonstrating how to sing and dance, Matthew also discusses how to deal with stage fright and explains why musical theatre is his passion.

Former politician and Strictly star Ed Balls takes a history class like no other, as he presents a lesson on two of his favourite monarchs from English history. Ed makes use of some Strictly sparkles and a few ridiculously historically inaccurate costumes as he transforms himself into Alfred the Great and Elizabeth I. But which one will be crowned Ed's mightiest of monarchs?

On Thursday Isabel Clifton, known for playing the lead role in CBBC's Hetty Feather, gives a drama masterclass as she offers up her top tips for becoming a better actor. Isabel discusses how she researches her character, how she uses facial expressions and body language to convey mood and reveals her secrets for learning lines. She answers questions from viewers and gets a special surprise from Hetty Feather author, Dame Jacqueline Wilson.

Top quizzer Mark Labbett takes a maths class with a difference on Wednesday, as he presents some simple maths hacks that help demystify long multiplication. The former maths teacher explains place value, how he became so good at maths, and offers tips to those who are struggling.

TV presenter and inspirational speaker Katie Piper offers a unique lesson in wellbeing in Tuesday's episode. She looks at how to feel happy and healthy no matter what worries you may have, and shows how taking a few minutes out of your day to do some simple exercises can have a big impact on how you are feeling.

Monday's class comes from world renowned dancer, Dame Darcey Bussell, who demonstrates some traditional African moves that are both fun and easy to try. Darcey reflects on why she loves dance, how it helps to keep people active and how it can be good for both physical and mental health. She reveals the dance she has never tried and offers some tips to aspiring dancers.

Drawing the week to a close is singer Kelis, who also trained to be a chef at a top school in Paris. She shares some of her own personal tips for cookery and demonstrates how to make one of her favourite US dishes: cornbread muffins.

Ricky Wilson, lead singer of the Kaiser Chiefs and former art teacher, shows viewers how they can improve their painting and drawing with the use of colours on Thursday.

In Wednesday's episode the subject covered is IT, with vlogger and presenter Nikki Lilly giving her tips for recording an awesome vlog to share with friends and family.

On Tuesday, comedian and bio-chemist graduate Tez Ilyas hopes to spark an interest in science when he explores electricity in the past, present and future.

Match Of The Day presenter and former England football captain Gary Lineker kicks off the week with a Spanish lesson. Gary, who became fluent in Spanish during his days as a player for FC Barcelona, teaches how to count from one to ten - while playing keepie uppie in his garden - before moving on to other useful words and phrases.

Ending the week, Heston Blumenthal presents a class from his home in France. He explains the difference between taste and flavour and shows us how to make the ultimate strawberry sundae.

On Thursday, stars of Emmerdale and off-screen married couple Jeff Hordley and Zoe Henry share their love of gardening. Filmed on their allotment and in their back garden, they teach viewers how to grow your own lunch, a delicious tomato and basil salad which can be grown in the smallest of outside spaces.

Manchester United and England star Marcus Rashford is well known for his exploits on the pitch, but how does he prepare for them? On Wednesday Marcus treats viewers to a masterclass in preparing your body for sport, including stretches and warm-up drills.

Journalist Martin Bashir gives a very personal history lesson as he reveals why Martin Luther King Jnr is his hero and why we can all learn from his fight against racial inequality.

On Monday, former Spice Girl and author of several children's books, Geri Horner offers up her very own tips on creating a great story. She covers themes such as character, setting and plot. She presents the show from her farm and introduces viewers to some of the animals that inspire her.