Dè a-nis? - Episode Guide

The Glasgow Gaelic School pupils go back to the 1940s.

A commemoration of St Andrew's Day.

Derek decorates the studio ready for Christmas.

Derek and Megan take a trip on the Santa express.

A look back at the teams favourite moments from this series so far.

Derek presents a rough guide to the island of Islay.

Derek has his own inrerpretation of the story Treasure Island.

Derek learns all about Harris Tweed. Plus Cameron reveals all about his hobbies.

The team visit the winning school from the Puingeam nam Boingean 2016 competition.

The team gather in the studio to look back at their favourite moments from the series, and Clarence Ceòlmhor introduces some bloopers the presenters would rather leave unseen!

Megan and Derek delve into the De a-nis archive from 2010, while Annabel visits Onthank Primary School to find out about their class projects. Derek has an interesting time in his workshop and Claudia Von Bunsen is busy in the lab.

The first programme in the new series sees two new presenters joining Derek, Annabel and Megan in the studio. Gairloch Primary School are the first to attempt this year's hopper challenge, Puingean nam Boingean, and there is a look back at how the team got on at the Edinburgh International Festival in the company of the Bubbleman.

Derek is in Stratford-upon-Avon following in William Shakespeare's footsteps, Stella from Bishopbriggs tells us about her favourite hobbies and Rockfield Primary School in Oban attempt the schools' hopper challenge, Puingean nam Boingean.

Layla is on hand to help scientist Claudia Von Bunsen at the Glasgow Science Festival, Isla talks about her favourite hobbies, and pupils from Craighill Primary School in Tain take part in this week's Puingean nam Boingean.

Derek finds out about time at the Royal Observatory in Greenwich, Hannah from Bishopbriggs reveals her pastimes and pupils from Staffin Primary School take on the hopper challenge.

The team prepare for Bonfire Night, Evie from Dingwall talks about her hobbies, and pupils from Sir E Scott School in Harris take on the hopper challenge.

Derek, Kim, Annabel, Megan and Mark are faced with a challenge for this year's Children in Need - to raise money with a bake sale at Glasgow Gaelic School. Kim spends some time with the pupils and Pudsey, and Annabel visits a youth project that receives funding from the charity.

Annabel learns all about the melodian, while Shane and ?ine from Lochaber talk about their favourite pastimes. Plus pupils from Paible Primary School take on the hopper challenge.

Kim goes beachcombing with her friends Shauna and Lauren, and Shona from Cumbernauld talks about her favourite pastimes. And pupils from Ullapool Primary School take on the hopper challenge.

Historian Camilla Devereux Nic a' Ghobhainn is in Stirling taking a look at some of Scotland's fascinating history, and Laura from Fort William talks about her favourite pastimes. And pupils from Plockton Primary School take on the hopper challenge.

Kim finds out about the work of the Northern Lighthouse Board, John Robert from Harris talks about his favourite hobbies and pupils from Riverside Primary School in Stirling take on the hopper challenge.

Kim and Derek get into the Christmas spirit on a trip to Edinburgh, pupils from Glasgow Gaelic School are singing Christmas carols and pupils from Glendale Primary School take on the hopper challenge.

Kim, Mark and De a-nis experts Clarence Ce?lmhor, Claudia Von Bunsen and Camilla Devereux Nic a' Ghobhainn choose their favourite features from the current series.

De a-Nis meets Chuck the Explorer, Abby from Dunoon talks about her favourite hobbies and pupils from Breasclete Primary School take on the hopper challenge.

Kim and Derek are in the studio preparing to celebrate some special national holidays, Joanna from Lewis talks about her hobbies and pupils from Portree Primary School take on the hopper challenge.

This week, the team learn about music and musical instruments. Donald and Kim learn about the piano, Annabel and Johanna find out more about the melodian, while Sara and Megan learn about the fiddle from Iain MacFarlane. Meanwhile, Amy follows Kim as she competes in the final of Young Traditional Musician of the Year 2017.

This week, Derek and Annabel are in the studio looking back at the hobbies everyone had in 2009, Claudia shares some fascinating facts about the human body, while Cerise has been busy in her workshop making good use of old newspapers. And, as always, there is music chosen by school pupils.

Kim and Megan are in the studio taking a look back at the most popular hobbies in 1995, Camilla visits Glasgow's Tenement House to discover what life was like in the early 20th century, and Cerise creates something sparkly in her workshop.

Derek visits London to learn about Greenwich Mean Time, while Kim visits the Northern Lighthouse Board. Plus Derek gets creative with sand in Weymouth, and there is a look at how Claudia and Layla got on when they attended the Glasgow Science Festival.