Schedule Friday 21st March 2014

The Architects

Potentially lucrative contracts involving nuclear power plants, military drone manufacturers and a fracking company leave Matt and his principles on the point of meltdown.

The Dog Ate My Homework

The super-student team captains are joined by Britain's Got Talent winner and presenter Ashleigh Butler, Susan Calman from School of Silence, Friday Download presenter Cel Spellman and comedian Chris Martin.

Siadwel

Siadwell meets school bully Gary Price and is adopted by a family of monkeys.

The News Quiz

Sandi Toksvig is joined in this special Sport Relief episode by Jeremy Hardy, David Mitchell, Elis James and Mark Steel. Kathy Clugston reads the news, and the show features a Olympic gold medal winner in a stunt which has been described as 'probably too visual for the radio'.

Sport Relief 2014

The sports-based charity fundraising spin-off from Comic Relief takes over the BBC. Various comedians will be popping up during the coverage, including David Walliams and Jack Whitehall acting as presenters. Meanwhile, John Bishop takes on a sport challenge.

Scroll down the schedule for further details on the comedy show related specials.

To find out more and donate visit SportRelief.com

Edge Of Heaven

Still reeling with the knowledge that Carly is now dating his boss Maartie, Alfie decides to take on the egotistical South African in the Margate fun run. Keen to make amends with Michelle, Alfie asks her to help him train for the race. But Michelle thinks Alfie has other motives.

Stella

Proud parents Luke and Zoe get the ball rolling on their wedding plans.

Only Fools And Horses

Del and Rodney are desperately trying to flog some David Beckham-branded designer mens' underwear down at the market. Unfortunately, David's not being much help.

Sport Relief 2014 - W1A

Amongst this half hour of Sport Relief is a special from W1A. Back on our screens after the award-winning Twenty Twelve, Hugh Bonneville's Ian Fletcher talks about his new role as head of BBC values.

There is also a special behind-the-scenes look at the making of the new Only Fools and Horses sketch.

The Last Leg

Adam Hills, Josh Widdicombe and Alex Brooker are joined by Frank Skinner to take a look back at the highlights from the 2014 Winter Paralympic Games.

Duck Quacks Don't Echo

With Terry Wogan, Jimmy Carr and Carol Vorderman.

Sport Relief 2014 - Mock The Week

In this section of the fundraising show, Wimbledon champion Andy Murray joins the stars of Mock The Week for a special episode.

Plus, Jack Whitehall takes on his biggest challenge; and some football managers have a go at telling jokes.