Jimmy Carr hosts as Sean Lock and Kerry Godliman take on Jon Richardson and Joe Wilkinson. With Susie Dent, Rachel Riley and Dictionary Corner guest Mr Swallow, aka Nick Mohammed.
Joining Bill for his first show back after his summer break are actress Kerry Washington, actor Jim Carrey, critic and author Thomas Chatterton Williams, and columnist Bari Weiss.
The Muppets are about to launch their new digital series, Muppets Now, but just when Scooter is about to hit the 'upload' button, Kermit the Frog inadvertently alerts the rest of the Muppet gang that they are about to go live - unleashing an avalanche of last-minute notes, tweaks, changes, suggestions, revisions, and ideas.
Jon takes three battery-powered lawnmowers for a spin on a Ryder Cup golf course to find out which one is top of the leaderboard.
When the bracelets that Mira and her friends made for the Rakhi holiday disappear, Mira sets out to find them before the celebration starts.
Aisha finally confronts Martin about her "birth". She learns why her existence must be kept a secret, and what would happen if she were discovered. Aisha formulates a plan to win her freedom.
Adam and Brent Morin clear abandoned planes of hundreds of deadly snakes.
Saet-Byul witnesses Yeon-Joo and Dae-Hyun outside of the store and gets jealous. She goes to see Eun-Byul but winds up in a fight. Dae-Hyun takes care of her injuries. Meanwhile, Dal-Shik and Geum-Bi run into each other.
The barristers re-examine the case against a young farm labourer who was hanged for the brutal murder of a travelling watch repairman in 1880.
Tom is supposed to chaperone Talking Ginger on a trip to a dude ranch, but he gets distracted when he finds out Roy Rakoon is there, too.
Blaze and AJ make friends with a space alien named Gormy, but when Gormy's jet pack loses power, they set out to help him find three special space batteries so he can fly home to his alien family. Meanwhile, Crusher looks into Pickle's telescope and sees stuff from outer space falling from the sky.
After the slowest bike chase in history, Sergeant Healy has finally cornered Conor and Jock, and with seemingly no escape, the lads have no option but to call on Mairead for help.
Alice attempts to maintain her professionalism when directing an intense love scene between David and Sophie.
Tropical cyclones form through an unfortunate interplay of forces over water and are responsible for some of the most catastrophic weather events in history. The destructive winds and torrential rain reach gigantic proportions. This documentary focuses on the most devastating cyclones, giving a voice to eyewitnesses and experts, and offering a uniquely intimate look at these storms.
Concerned with Valentine's lifestyle, Mama tries to find him someone special to settle down with. Agnes and Kirsty bump into some suits in the Estate.
After the school notices some bruising on Rosie, Si becomes paranoid about a visit from social services. In 2008, Rosie takes her first steps leading to unforeseen new problems.
Sandi Toksvig indulges in a bit of well-earned R&R with Alan Davies, Stephen K Amos, Susan Calman and Lou Sanders.