Chris and Alex are joined by Sir Elton John and blues and country legend Leon Russell in an hour-long special. Find out whether Chris or Alex becomes Gordon Ramsay's sous chef in our first Children in Need Grin and Bear It challenge. Plus Christine Walkden goes foraging, Monica from Masterchef talks mushrooms, Mike Dilger goes in search of scary noises, and Carrie Grant discovers what drew stars like Eartha Kitt, Louis Armstrong and Tom Jones to the town of Batley.