YoYo Films

1st Logo (1983-1984)
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Logo: Against a black backdrop, there are two white "y"'s in 3D and with a white outline. Two white dots are also seen on top of the larger, left "y" and a smaller one next to the shorter "y" on the right. The logo zooms in and bounces back against the screen. When it pauses, "Times New Roman" appears alongside a channel's name and the copyright notice.

Variant: On Six Into One: The Prisoner File, the logo is besides the Illuminations logo. Plus, it is and does not zoom back.

Technique: Traditional animation.

Music/Sounds: The ending theme of the programme.

Availability: It appeared on The Morey Brothers, Six Into One: The Prisoner File, and a few of their earlier projects, which have been long gone from television.

2nd Logo (1985-1992)
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Logo: On a black background, two light blue "yo-yos" are beside each other, the left of which is bigger than the right. Two chrome "y "'s are below the shells and seen falling down and rising upwards, revealing a dotted, vertical line acting as the yo-yos' strings. Then, bottom text containing the company's and channel's name type in below, sometimes with a copyright notice.

Variants:
 * Starting in 1990, the animation sequence is quicker and "FILMS " appear next to the two "y "'s. The format for the bottom text is more consistent with the credits being in a handwritten cursive font and it having the same colouring as the logo.
 * A rare opening variant exists, placing "FILMS " underneath the logo.
 * On To Hell with The Devil, the logo is superimposed in the end credits, complete with the co-producer information. Plus, it slightly shifts upwards after completion.
 * On Back Chat, the logo appears within a torn hole.
 * On The Peacock Screen, the logo crossfades to the Samandar logo. After the latter's sequence finishes, it fades to the white text "A YOYO FILMS/SAMANDAR CO-PRODUCTION FOR CHANNEL FOUR".
 * On Gummed Labels, the logo is in a steel colour.

Technique: 2D animation.

Music/Sounds: The ending theme of the programme.

Music/Sounds Trivia: The wave crashing sound from the 1990 variant is taken from Third Wave Studio ' s theme song. It can be heard at the beginning of the intro.

Music/Sounds Variants:
 * For the 1990 variant, there is a chorus whispering "Yo-yo!" as the "y "'s slide down and up. Then, the sounds of a wave crashing (which sounds more like a loud sigh) when "FILMS " appears.
 * On In the Mavis, the wave crashing sound is slightly longer.

Availability: It appeared on early Channel 4 documentaries from the 1980's, which includes To Hell with The Devil, Media Drome, Back Chat, among several others. The 1990 variant was seen on In with Mavis, Third Wave Studio, Red Lights, and several more. The opening is so far only seen on Happy Birthday Mr. K. L. Jones.

3rd Logo (1992-1997)
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Logo: Set on a black background, two radar-like objects form and rotate, each with their own appearance. While both have a purple piece of a circle, the left consists of several rings whereas the right has a few, consisting of and  curves spinning around. Shortly after, four blocks appear on each radar (left is green, right is ) and stretch towards the centre while losing thickness. The radars disappear and transition to multiple 3D rings forming purple yo-yos. Beside both of them are brush-written "y"'s. Underneath both objects are five radars that each form "FILMS" stretched and spaced out from one another.

Variants:
 * On Ghazals, the logo is positioned underneath the Hindi Picture logo.
 * On WAC wrestling, the opening sequence is superimposed against a brown printing of a city, which fades away when the four expanding blocks disappear. After the logo is complete, a close up of a blue eye crossfades with the logo through a radial wiping effect.

Technique: CGI.

Music/Sounds: The ending theme of the programme.

Availability: Like before, it appeared on Channel 4 documentaries which are hardly preserved outside of original television airings. These include newer episodes of In with Mavis, Ghazals, Apache Goes Indian, among several others.