TV Guide Comedy Central Sunday

Karl Pilkington and Stephen Merchant join Ricky to contemplate the concept of memory, and Karl performs an unusual skit with Ricky in which he plays a lobe in his own brain. He also pretends to be the manager of a plumbing company and explains his thoughts on why Martians are more advanced than Earthlings, before describing what would happen if a horse walked into a bar

The duo continue their European adventure in Italy, starting in the picturesque Lake Garda, where Barney surprises his dad by explaining they'll be running off the top of Monte Baldo and paragliding over the lake below. The next day Bradley is treated to a hair-raising ride in a Formula 1 speed boat, before the Walshes are invited to the home of opera superstar Andrea Bocelli

The duo embark on the final leg of their European road trip as they explore more of Italy, engaging in gladiatorial combat in Rome, before continuing south and making a stop to soak up the views from a sky-high zipwire. As they reach their final stop on the Amalfi Coast, they get the chance to swim in the sea, but they'll have to dive in from a cliff

Part one of two. The pals visit Las Vegas, where they find surprises galore awaiting them. Meanwhile, Ross misinterprets Rachel's intentions and embarks on a campaign of public humiliation against her - but discovers she is more than a match for him

Part two of two. Rachel makes Ross regret playing a prank on her, while Monica and Chandler have a spot of good luck and Joey tries out his latest get-rich-quick scheme. Comedy, starring Jennifer Aniston, David Schwimmer and Matthew Perry

Ross and Rachel wake up the morning after their impromptu marriage and regret the hasty circumstances of the ceremony, while Monica and Chandler find that neither of them really wants to rush to the altar. Joey and Phoebe have a cross-country adventure. Comedy, starring David Schwimmer, Jennifer Aniston, Lisa Kudrow and Matt LeBlanc

Monica and Chandler decide to move in together, but have difficulty explaining to Rachel that she will not be a part of the arrangement. Meanwhile, Phoebe begs Ross to get his latest marriage annulled. American comedy, starring Jennifer Aniston and Courteney Cox

Ross encourages Chandler and Monica to move in together and makes a dramatic decision about Rachel. David Schwimmer, Matthew Perry, Courteney Cox and Jennifer Aniston star

Ross tries his hand at teaching and adopts an English accent in the process. Joey suffers a hernia and Rachel discovers her marriage has not been annulled. American comedy, starring Matt LeBlanc, David Schwimmer and Jennifer Aniston

Joey is mistaken for the owner of a Porsche and uses the mix-up to enhance his image. Rachel forces Ross to annul their marriage, and Phoebe tries her best to look after the triplets. American comedy, starring Matt LeBlanc and Jennifer Aniston

Joey and Chandler celebrate their last night as flatmates, and Ross claims he is too busy babysitting to help Monica as she frantically tries to arrange Rachel's packing before the removal firm arrives. Comedy, starring Matt LeBlanc and Matthew Perry

An Australian dancer (guest star Elle Macpherson) moves in with Joey and he struggles to refrain from flirting. Chandler tries to impress Monica by cleaning their flat, and Rachel is embarrassed by Phoebe's jogging style. Comedy, with Matt LeBlanc and Matthew Perry

Phoebe claims she kissed Ralph Lauren at Rachel's workplace, and room-mate Janine encourages Joey to get in touch with his feminine side, much to Chandler's annoyance. Ross bleaches his teeth in an effort to impress a date. Comedy, guest starring Elle Macpherson

Monica's parents arrive for Thanksgiving, leading to trouble for Chandler, who discovers they don't like him because they think he uses drugs. Fortunately, their disapproval soon focuses on Ross instead. Comedy, guest starring Elliott Gould and Christina Pickles

Joey tries to find the perfect opportunity to kiss Janine, while Ross and Monica resurrect their high-school dance routine for a TV programme. Comedy, guest starring Elle Macpherson

When a peaceful island is visited by mysterious green piggies, its up to Red, Bomb and Chuck, outcast flightless birds, to get to the bottom of the suspicious invaders. Animation, with the voices of Jason Sudeikis, Josh Gad, Danny McBride, Maya Rudolph and Bill Hader

Rachel gives advice on being more independent to her pampered younger sister (Reese Witherspoon), who promptly makes her regret it by flirting with Ross. Meanwhile, Joey gets in trouble for giving free food to female customers at Central Perk

Phoebe accidentally becomes a porn icon, Rachel tries to stop her sister from embarking on a relationship with Ross, and Chandler reveals he is unable to cry. Guest starring Reese Witherspoon

Part one of two. A revelation from Rachel prompts the pals to ponder what might have been if their lives had taken different courses. Comedy, starring Jennifer Aniston and Courteney Cox

The second episode showing what could have happened to the gang members had their lives taken different paths. Carol and Ross decide to spice up their marriage, and Rachel catches Barry being unfaithful. Comedy, with David Schwimmer and Jennifer Aniston

The boys prepare for Halloween, but their plans to win the school costume contest are thwarted when the Mir space station plummets to Earth and a weird epidemic hits town

The government sends Cartman to Ethiopia after he is mistaken for a starving African child. Adult animation set in the oddball Colorado town of South Park