In a candid camera stunt using film prosthetics Charlotte is transformed into streetwise young man and goes speed-dating. Elsewhere, Charlotte reveals shocking, surprising facts about the audience in her Crimewatch spoof Audiencewatch. Will & Grace star Eric McCormack, Michael McIntyre and Denise Van Outen also appear.

Charlotte is joined in the studio by actress Patsy Kensit. On regular hidden-camera feature CCTV, Charlotte causes undercover trouble in an office as the temp-from-hell. A comedy sketch reveals just what would happen if Charlotte was appointed to play Doctor Who's new assistant, while studio talent competition Wales vs The Rest of the World continues. Charlotte also joins up with Orson to provide music.

Comedian Johnny Vegas drops by, and Charlotte joins Canadian songstress Nelly Furtado to provide the music. In hidden camera feature CCTV, Charlotte enters a tribute act talent competition as herself, calling herself 'Starlett Church'. A comedy sketch reveals just what would happen if CSI came to Cardiff, while Charlotte surprises more members of the studio audience in Audiencewatch.

Charlotte's joined by American pop starlet Ashlee Simpson and comedian Adam Hills, and she joins Brand New Heavies to provide music in the studio. Paul Danan and Charlotte appear in a comedy sketch about Madonna and Guy Ritchie, while actor Danny Dyer joins Charlotte for a gangster movie spoof. Plus Charlotte surprises more members of the studio audience in Save Our Souls.

In CCTV, Charlotte pretends to need a new personal assistant, making outrageous demands from the prospective candidates. She also stars in a comedy sketch as a fussily dressed, elderly author of romantic fiction. Music comes from singer/songwriter Nerina Pallot, and Charlotte surprises more members of the studio audience in Save Our Souls. Other guests include Jessica Stevenson and Alan Cumming.

Guests include actor Rupert Everett and comedian Justin Moorhead, while the legendary Liza Minnelli takes part in a comedy sketch with Charlotte. Music comes from former Mystique star Alesha, who duets with Charlotte, plus there are more surprises in store for members of the studio audience.

Charlotte's joined in the studio by actor Keith Allen. In regular hidden camera item CCTV, Charlotte dons a disguise to spring a surprise on TV celebrity Kerry Katona. Music comes from songstress Amy Winehouse, who duets with Charlotte to perform their exclusive interpretation of Michael Jackson's Beat It . Plus there are more surprises in store for members of the studio audience.

In this festive edition Charlotte's guests are Paul O'Grady and Ben Elton. Music comes from Christmas crackers The Sugababes, who join Charlotte to perform the classic White Christmas. There's cheeky fun in regular hidden camera strand CCTV, as Charlotte infiltrates an office party, and Charlotte also dresses up as the Christmas fairy to name and shame the biggest 'Scrooge' in the studio audience.

Charlotte is joined in the studio by actress Billie Piper and singer Gwen Stefani. Music comes from McFly, who duet with Charlotte to perform their version of Primal Scream's classic, Rocks.

Big Brother presenter Davina McCall joins and the music is provided by Lucie Silvas.

Hollywood actress Hilary Duff joins Charlotte in the studio, while music comes from Jamelia.

Canadian rock star Avril Lavigne drops by the studio. Other guests include Lorraine Kelly and Patrick Wolf.

Charlotte is joined in the studio by Doctor Who and Torchwood star John Barrowman, and actor Danny Dyer. The Manic Street Preachers provide the music.

Skins star Nicholas Hoult, glamour model Katie Price and Black Eyed Pea Fergie join Charlotte for the final episode.

Featuring Charlotte's most ambitious challenge to date: attempting to infiltrate the Welsh Guards as they undertake final rehearsals for Trooping the Colour. Charlotte's guests include Catherine Tate, Lee Mack and Beverley Knight.

In a new strand 'Lady to Ladette', Charlotte teaches five properly posh girls the essentials of a rollicking night out in Cardiff, based on her philosophy of the four 'D's: dressing, drinking, dancing and doners. Charlotte's guests include Katie Price and Gok Wan, and violinist Nigel Kennedy performs with Charlotte.

Charlotte turns the tables on talk show host Jonathan Ross. Elsewhere, songstress Adele performs with Charlotte, and there's plenty of involuntary audience participation with some unsuspecting members of the studio audience.

In 'Lady to Ladette', the final three appear in the studio for a no-holds-barred final. Guests include Jason Donovan and music is provided by Solange Knowles.

Charlotte's guests include Alan Davies and Jimmy Carr, and there's music from The Script.

Boxer Ricky Hatton drops by, plus there's music from Beth Rowley, who performs a duet with Charlotte. And there's more hidden camera fun in CCTV - Charlotte Undercover as Charlotte once again dons prosthetics and disguises, all in the name of comedy.

This week's guests include Patsy Palmer and comedian Adam Hills. And Danish popsters Alphabet perform with Charlotte.

The guests include Olympic double-gold medallist Rebecca Adlington, fashion gurus Trinny and Susannah, and also comedian Michael McIntyre.

In this festive edition Charlotte's guests are Gavin and Stacey's James Corden and Ruth Jones, and comedians Ronnie Corbett and Jo Brand. Music comes from Christmas cracker Rhydian Roberts.