[[File:MGM Cartoons end title card (John Sutherland variant).jpg|310px|center]]
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'''Logo:''' The standard lion logo as before, but the ribboning has been simplified and is now red; the "ARS GRATIA ARTIS" phrase is missing, along with the drama mask. Below the logo, we see "{{font|Candara|A METRO-GOLDWYN-MAYER}}" in a bold bright yellow font, with a giant "{{font|Times New Roman|CARTOON}}" below it in the same color. "{{font|Calibri|COLOR BY}} {{font|Monotype Corsiva|Technicolor}}" (with "{{font|MonotypeGoudy CorsivaOld Style|''Technicolor''}}" in script) follows, and the whole thing is on an upsdell red background. From 1946-1947, the words "{{font|Monotype Corsiva|In Technicolor}}" were seen below the logo.
'''Closing Title:''' A modified version of the 2nd logo, with a thicker font and a new placement for the word "CARTOON". Starting in 1950, the title was changed with "A Metro-Goldwyn-Mayer" now in white letters and in different font and "CARTOON" in red letters and in different font as well. "{{font|Goudy Old Style|MADE IN HOLLYWOOD, U.S.A.}}" also appears at the bottom of the screen in white letters. Also, the MGM pseudo is dropped.
'''Variants:'''
* The final theatrical ''George and Junior'' cartoon, "Half-Pint Pygmy", has the duo holding up guns to their head. George pulls a blue "The End" background down and two gunshots are heard, shaking the card.
* On the reissue print of "The Blue Danube", the end title is on the same blue backdrop used in the opening credits.
* On "Little 'Tinker", the end title is on a {{color|red}} background.
'''Technique:''' Same as the previous two logos
'''Music/Sounds:''' An updated version of the fanfare from the 1st logo; by now, it began blending into the opening themes of the cartoons.
'''Availability:''' Easier to find than the previous logos, but is uncommon.
* It's tacked on to films it didn't originally appear on, as well.
* It premiered on the ''Tom and Jerry'' cartoon "Solid Serenade", released on August 31, 1946 and made its final appearance on "One Cab's Family", released on May 17, 1952.
* Edited appearances of "The Cat That Hated People" in Hollywood Studios' Sci-Fi Theater in Walt Disney World have the opening logo cut off (likely to avoid any mention of another film company in a Disney Park, even though Hollywood Studios was formerly known as Disney-MGM Studios) but retain the closing logo.
* The ''John Sutherland'' variant was extremely rare; it was seen on "Albert in Blunderland" (1950), but the opening version uses the standard 1934-1953 Tanner logo.
'''Legacy:''' Same as the previous logo.
===4th Logo (March 15, 1952-September 18, 1954)===
'''Logo:''' It's similar to the last few, but now the baby blue ribboning is moved to a blue background. "A METRO-GOLDWYN-MAYER" has been moved from the bottom ribbon to be placed on the ribbon, with "CARTOON" in yellow and the Technicolor line underneath it in red.
'''Variants:'''
* Sometimes, the registered trademark symbol is absent.
* The logo is modified for cartoons released in CinemaScope.
* On the rerelease print of "Little 'Tinker", the end title is on a {{color|red}} background.
* On the ''Droopy'' cartoon "Dixieland Droopy", the end title is on a shoot of a night concert.
* A slightly different end title was used on "The Flea Circus". After the words "LE END" in a square scrolls from right to left to a pink background after a few seconds, the words "A METRO-GOLDWYN-MAYER CARTOON MADE IN HOLLYWOOD U.S.A." are seen.
* On "Good Will to Men", it fades to a version of the secondary end title, written this way:
A
'''Closing Title:''' Again, same as the 3rd logo. The titles have been modified for the CinemaScope cartoons.
'''Tom and Jerry Closing Title:'''
* The Academy version of the closing title is essentially the same as the previous versions, but this time the "An MGM" credit has been redrawn with thicker borders, and is noticeably smaller to accommodate flat widescreen ratios. Starting in 1956 (reissues only since the new CinemaScope cartoons were already using different closing titles), the "The End" text has been slightly redrawn again with even thicker borders to match the secondary closing titles. Also, "MADE IN HOLLYWOOD, U.S.A." is now in a different font.
* For the CinemaScope cartoons, there are three variants:
** First variant (November 20, 1954-November 19, 1955): Similar to the original title, but it's in widescreen and the background is {{color|orange}}. It was used on shorts from "Pet Peeve" to "That's My Mommy".
** Second variant (January 17-November 6, 1956): The "An M.G.M. Tom and Jerry CARTOON" secondary end title from before, now in different yellow fonts and put on a {{color|blue}} background. It was used on shorts from "The Flying Sorceress" to "Blue Cat Blues".
** Third variant (December 14, 1956-August 1, 1958): On a {{color|blue}} background, we see a pink square on the upper-left corner, an orange rectangle in the middle of the screen and a green square on the bottom-right corner. In the pink square is the word "an", on the orange rectangle are the words "M.G.M CARTOON", and on the green square are the words "made in Hollywood, U.S.A.". It was first used on "Barbecue Brawl" and its last appearance was on "Tot Watchers".
'''Technique:''' Same as before.
'''Availability:''' Common.
* It can easily be seen on various cartoons as well as plastering previous logos on older cartoons on TCM, Boomerang, and MeTV (as Cartoon Network no longer airs classic ''Tom and Jerry'' cartoons as of January 2016).
* It premiered on the ''Tom and Jerry'' cartoon "Neapolitan Mouse", released on October 2, 1954 and, as told above, made its final appearance on the last ''Tom and Jerry'' cartoon by William Hanna and Joseph Barbera "Tot Watchers", released on August 1, 1958.
'''Legacy:''' See above.
'''Variants:'''
* On "Switchin' Kitten" and "Down and Outing", the then-current MGM movie logo would play (without "CARTOON" at the bottom, and without the theme song accompanying it) followed by a screen saying "A METRO-GOLDWYN-MAYER CARTOON", whose font and background vary depending on the cartoon. The theme song would start whenever this screen came up. While the standard movie logo also appeared on "Buddies Thicker Than Water" and "Carmen Get It!", the second screen was not shown and the opening music played over it.
* On the short "The Dot and the Line", the movie logo is used instead (surrounded by a red border on unrestored Turner prints) and is accompanied by a majestic horn fanfare composed and conducted by Eugene Poddany.
* On Chuck Jones' ''Tom & Jerry'' cartoons, as well as the short "The Bear That Wasn't", the logo was modified, and Tanner replaced Leo in the circle. The text "METROCOLOR" is also shown below the logo.
* ''Chuck Jones Tom and Jerry'' Variant: After showing Tanner roaring, it later fades out to reveal none other than Tom in the circle, who meows pretty angrily in an attempt to imitate a lion's roaring, and hisses. Then, the ribboning fades into a simple blue circle and moves upwards as the black background changes to orange, Tom "roaring" all the while. "T" and "M" appear besides it, and "and" appears below. "JERRY" appears letter-by-letter below all t hat as Jerry drops into the "Y," smiling pleasantly, and waves his hand. Tom notices this and hisses.
* Closing Title Variant: On 1963's "Pent-House Mouse" (Chuck Jones's first T&J short), "The End" is in a completely different font. It also cuts to the "MGM Tom and Jerry Cartoon" screen instead of fading.
'''Technique:''' Same as before. For the ''Tom and Jerry'' variant, a traditional-animation sequence from the Chuck Jones-led animation unit.
'''Music/Sounds:'''
* 1960-1962: The updated 1st logo fanfare, plus, with the lion roar, it had three roar tracks: the 1960 roar, another which sounded like a yawning roar, and on "Calypso Cat" a fierce-sounding roar. Both roars were made by Tod Dockstader.
*1963-1967: The updated 1st logo fanfare leading into the trademark ''Tom and Jerry'' music with the 1960 roaring soundtrack. For non-Tom and Jerry cartoons, a different fanfare is used.
'''Availability:''' Rare.
* The Leo version was seen on ''Tom and Jerry'' cartoons (and others) produced by Gene Deitch and William Snyder in the former Czechoslovakia, which are still rerun on Boomerang on a semi-regular basis and on MeTV as part of its ''Toon In with Me'' and ''Saturday Morning Cartoons'' blocks (all of them have also been released on DVD.)
* Was also seen on old television prints of some ''Tom and Jerry'' shorts (such as "Puss n' Toots" (appears on the Spotlight Collection DVD with that short), "The Bowling Alley-Cat", "Sufferin' Cats!", "The Lonesome Mouse", "The Zoot Cat", "Quiet Please!", "The Invisible Mouse" and "Saturday Evening Puss"), old prints of "Rock-a-Bye Bear" on Boomerang, and the Boomerang Germany print of the ''Barney Bear'' cartoon "Half-Pint Palomino".
* Like with the 3rd logo, Sci-Fi Theater-edited airings of "Mouse Into Space" cut off the opening logo, but keep the ending logo.
* The Tanner version was seen on the Chuck Jones-produced ''Tom and Jerry'' cartoons, which are still rerun on Boomerang on a semi-regular basis and on MeTV as part of its ''Toon In with Me'' and ''Saturday Morning Cartoons'' blocks, and all are available on DVD.
* The version that doesn't fade to Tom is featured on non-Tom and Jerry cartoons, such as "The Bear That Wasn't".
'''Legacy:''' This Tanner version of the logo, while well-received for its concept on ''Tom and Jerry'' cartoons, has a fairly bad reputation for appearing on one of the most deeply polarizing eras of the Metro-Goldwyn-Mayer cartoons, when production moved back in-house at Chuck Jones' Sib Tower 12 Productions with a mostly new crew and substantially smaller budgets. The Leo version however, is quite controversial for its association with the Gene Deitch era of ''Tom and Jerry''.
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