The second season episode, " Steel ," includes a scene at Universal Studios where Face is seen looking bemused as a Cylon walks by him-an in-joke to his previous role in Battlestar Galactica.

Duck Soup is used as in-joke amongst characters portrayed as knowledgeable about the film in a Season 3 episode of The West Wing, while another episode in Season 6 recalls the general plot details of Duck Soup.

The series was originally an in-joke from an episode of Excel Saga ; Watanabe decided to take the in-joke to its most extreme logical conclusion, creating the series.

As an in-joke, Superman's season one facial designs are used for an older Jor-El in the Justice League Unlimited episode For the Man Who Has Everything.

In a deliberate in-joke, he voiced Cecil, the brother of Kelsey Grammer-voiced Sideshow Bob, in The Simpsons episode " Brother from Another Series ", in which the two characters parallel the Frasier-Niles relationship.

In a 1997 episode of Friends, Fenn guest-starred as Matthew Perry's girlfriend Ginger, who has a prosthetic right leg ( a possible Boxing Helena in-joke ).

The episode, a homage to Twin Peaks, also makes many in-joke references to the show.

Rayner was a newspaper commercial artist for the Daily Planet ( and an aspiring comic book artist ; in the beginning of the episode he shows Jimmy Olsen a rejection letter from DC Comics as in-joke ) when he was chosen by the Lantern ring.

When speaking to an upper-crust snob in another episode, Betty declares Barney is in " top-secret " work ; but that might have been a cover for a low-level job or unemployment, or perhaps an in-joke meaning that Barney's job was unknown even to the show's writers.

A noteworthy in-joke occurs during the 4th season episode " Where Are the Sounds of Celli Brahams?

The producers eventually regretted introducing the disintegration feature and retconned it out of existence after season 3 ; an in-joke is made of this in the episode, where Martin Lloyd suggests it and a character replies " that's quite possibly the stupidest thing I've ever heard you say.

Between them, Prince and the Lexx manage to demolish large chunks of the Earth — including Orlando, Florida ; Ottawa ( a Canadian metonymical in-joke ); Tokyo, the Amazon Rainforest, and Holland, which the Lexx eats — before the climactic final episode, televised on 26 April 2002.

Other times a fictional corporation is an in-joke carried across multiple products by the same games developer, director, or writer.

Claremont, nonetheless, years later used the opportunity to indulge in an in-joke: in Uncanny X-Men # 238 ( 1988 ), a similar child would appear as Madelyne's mental image of herself, wearing the same clothes as the little girl from Avengers Annual # 10, repeating the girl's same line of dialogue, but also singing " Gone to America ," one of Steeleye Span's biggest hits.

The Power Macintosh 7100's internal code name was " Carl Sagan ", the in-joke being that the mid-range PowerMac 7100 would make Apple " billions and billions.

Wylie went on about how legendary we would be, and Duke and I went along with him, as part of the in-joke.

As a historical in-joke, the residents are forced to perform a lottery to see who would be spared.

Vicious ' reference to a " prat who wears hats " was an in-joke directed towards Vicious ' friend and Sex Pistols band-mate John Lydon, who was fond of wearing different kinds of hats he would pick up at rummage sales.

Having sporadically watched episodes of SG-1 over the years, Browder watched the first previous seasons of SG-1 in two-and-a-half weeks to catch up with the show, which the writers would turn into a recurring in-joke that Mitchell had read every SG-1 mission report before joining the SG-1 team.

When the trio subsequently toured as Spinal Tap during 2001, they would occasionally perform in the guise of the Folksmen as an ostensible " opening act "; not all of the audiences appreciated ( or even understood ) this in-joke, with one appearance in New York City reportedly being booed by a restless audience.

While the idea may have begun as a creative ploy by the BBC to save time and money on props, it soon became an in-joke genre convention in its own right, as the old-style police box was phased out of use.

On the " game's " official forums, a popular in-joke leads newbies to believe that there exist Silver, Gold, Platinum or even Diamond-encrusted DVD versions of the game which have enhanced 3D graphics.

Various suggestions have been made to explain this discrepancy ; Michael Jan Friedman's My Brother's Keeper trilogy speculates this results from an in-joke between Mitchell and Kirk.

Grues have been featured in each of the Zork games ( with the possible exception of Enchanter ) and many other of Infocom's games, becoming a company trademark or in-joke, often referred to with the stock phrases of " slavering fangs ", " razor-sharp claws " and " horrible gurgling noises ".

The song and video have since been used as a web culture in-joke on many different websites.

The origins of the magic smoke have become a running in-joke that started among electrical engineers and technicians before it was more recently adopted by computer programmers.

It may have started as an in-joke, or the first alternate reality game, a work of transmedia storytelling or as a memetic experiment, to see how far the meme could spread or a combination of all of the above.

Two Australian soap operas have named fictional characters Dave Gorman as an in-joke and the comedian has been bombarded with so many e-mails about it that he has had to publicly appeal to people to stop sending him details of other Dave Gormans.

He appeared in the 1955 BBC Television serial Quatermass II, had a role in the Powell and Pressburger wartime drama Battle of the River Plate ( 1956 ), and came to wide popular attention in Britain when he played the duplicitous Spanish envoy Mendoza in the ITC Entertainment series Sir Francis Drake ( 1961 – 62 ), after which he was much in demand ; an ' in-joke ' in the 1971 Doctor Who story Colony in Space refers to that role: the Brigadier tells the Doctor not to worry — the suspected sighting of the Master was only the Spanish Ambassador!

The effect gained new popularity ( its use often becoming an in-joke ) after it was used in Star Wars, the Indiana Jones series, Disney cartoons and many other blockbuster films as well as television programs and video games.

Allegedly he was very serious in the bar and this led to an in-joke whereby all his companions ascribed all new jokes to him.

A tuckerization can also be the use of a person's character or personal attributes with a new name as an in-joke, such as Ian Arnstein in S. M.

* Duck Dodgers, opening theme and a guest appearance in episode " Talent Show A Go-Go "

The voice and humor of Queer Duck character Bi-Polar Bear – voiced by Ren & Stimpy and Futurama actor Billy West – is also done in the style of Paul Lynde, as was the supervillain The Scoutmaster in the Simpsons episode Radioactive Man.

Magica makes a cameo appearance in the Darkwing Duck episode " In Like Blunt " along with the Beagle Boys and Flintheart Glomgold, among the bidders for the secret S. H. U. S. H.

In the Disney series Darkwing Duck episode " In Like Blunt ", Glomgold makes a cameo appearance-along with the Beagle Boys and Magica DeSpell-as a bidder for the secret S. H. U. S. H.

The iconic depiction of Chaplin working frantically to keep up with an assembly line inspired later comedy routines including Disney's Der Fuehrer's Face ( Donald Duck alternately assembling artillery shells and saluting portraits of Adolf Hitler ) and an episode of I Love Lucy titled " Job Switching " ( Lucy and Ethel trying to keep up with an ever-increasing volume of chocolate candies, eventually stuffing them in their mouths, hats, and blouses ).

In the DuckTales episode " Double O ' Duck ", a map is shown which shows Duckburg as being located approximately where the city of Pittsburgh, PA would be.

The Beagle Boys make cameos in the Darkwing Duck episode " In Like Blunt ", where they are among the villains bidding on a list of S. H. U. S. H.

In one episode of that series, " Double Date Don ", she fell in love with Donald Duck and aggressively pursued him by puckering her lips in front of him, forcing him to dance with her, wearing dresses and posing provocatively to lure him in.

( In one episode of Duck Tales, the three nephews faced a dragon and when they consulted the Guidebook, the entry on dragons read that since dragons did not exist, there was no reason to include information on them.

In that episode, he steals a secret bomber ( which can turn invisible ) from the Navy aircraft carrier on which Donald Duck serves, planning to make more invisible planes so that he can take over the world.

The Green Lantern Corps made an appearance in Duck Dodgers in an episode titled " The Green Loontern ".

By contrast, every episode of Darkwing Duck is laden with references to superhero, pulp adventure, or super-spy fiction.

Darkwing Duck was inspired by a specific episode of DuckTales: " Double-O-Duck ", starring Launchpad McQuack as a secret agent.

She first appears in the episode " Brush With Oblivion ", in which Darkwing Duck and his sidekicks attempt to stop her from stealing the Mona Lisa's smile.

The two-part episode " Darkly Dawns the Duck " originally aired as an hour-length TV special on September 7, 1991 as part of a larger TV special, " The Darkwing Duck Premiere and Back to School With the Mickey Mouse Club ".

In one Duck Dodgers episode he is demoted to slave boy as punishment.

Speedy is mentioned in one Duck Dodgers episode, after Cadet sits on Dodgers, prompting him to say, " I knew I should've chosen Speedy Gonzales as a sidekick!

" Sweet Duck of Youth ", an episode of the later animated series Duck Tales, also features this plotline, revealing that the fountain's true power is actually to make one's reflection appear younger ( thus the ' youth ' is merely an illusion ).

* Ganthet appears in the Duck Dodgers episode " The Green Loontern ".