Only very rarely does a show have no theme tune whatsoever. However, many recent {{anime}} series have left out the OP in the first or last episode (or both).

Current trends seem to favour the lack of a theme tune, particularly in sci-fi/fantasy drama series, such as ''{{Lost}}'', ''Series/{{Heroes}}'', ''{{Supernatural}}'', ''{{Invasion}}'', ''{{Surface}}'', and ''{{Threshold}}''.

See also TitleOnlyOpening, SpecialEditionTitle.
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Examples:
* One of the earliest examples is ''Pearl'', the opening credits of which consisted of a hand writing the show's name on a chalkboard, with no other sound audible.
* ''{{Lost}}'' has no distinct theme song, just some sound effects and a few notes playing over a flying graphic of the show's title.
** Particularly amusing is that on the Soundtrack, this is cited as being "''Composed by J.J. Abrams''". 16 seconds of sound effects is ''composing'', is it?
*** [[http://www.weebls-stuff.com/toons/Lost+Titles/ Well, if you want a proper theme tune...]]
* ''Murphy Brown'' did not have a consistent theme, but would frequently open with a Motown song in which the lyrics would be relevant to the events of the episode.
* ''{{Seinfeld}}'' also had no real theme song, only the music stings heard at the beginning and throughout any given episode.
* Surreal/downright weird UK comedy series ''{{Jam}}'' had no theme, only a bizarre monologue from creator Chris Morris, always ending in "Then Welcome... In Jaaaam".
* The Aussie cop drama ''Scales of Justice'' didn't have a theme tune... because it couldn't afford one ([[http://www.theage.com.au/news/tv--radio/highlights-of-half-a-century/2006/10/31/1162278147530.html?page=2 article from The Age]]).
* The second season of ''MyNameIsEarl'' has taken to just using the final chord from the original theme tune with the final shot of the original opening sequence, with Jason Lee (who plays Earl) saying in voiceover, "My name is Earl."
* ''{{Jericho}}'' shows the show's name with the sound of a radio tuning amid static.
** With brief messages given in morse code.
* The Britcom ''{{Porridge}}'', set in a prison, is unusual in having no opening theme. Instead the opening title shows a montage of prison cell doors banging shut, accompanied by the voice of the judge passing sentence on prisoner Norman Stanley Fletcher.
** The Judge's voice was provided by Ronnie Barker. If you don't recognise the name - one, where in the heck have you been? and Two, he played Norman Stanley Fletcher in ''{{Porridge}}''.
* ''BurnNotice'' uses an OpeningMonologue.
* ''TheGoonShow'' is an unusual example of a {{Radio}} comedy show with no opening theme. After the opening announcement ("This is the BBC Light Programme") the show launches straight into this week's absurd plot. The show ''did'' have a variety of closing themes over the years, though.
* Both {{Stargate SG1}} and {{Stargate Atlantis}} originally had cool orchestral theme tunes, for the ninth and second seasons respectively this was done away with in favour of a very short snippet of if in front of the show's name. After Fan Outcry the theme tunes were very quickly restored.
* ''{{lonelygirl15}}'' has no theme tune; since it's presented as a series of [[CharacterBlog video blogs]], almost all the music on the show is either diegetic or indie.
** The same is true of ''[=~LG15: the resistance~=]''.
* ''{{Greys Anatomy}}'', which once had a theme tune by Psapp, no longer has a theme tune, instead showing the white background with the title in black show up for a few musical blips from the former theme.
* The title for ''24'' is the number 24 blinking into view on a digital display with sound effects, followed by a rundown of the plot thus far composed of clips from previous episodes. (There actually is a 24 theme that was used in the beginning of the pilot and serves as a sort of leitmotif throughout the entire series' score.)
** This troper suspects that ''24'' was the TropeMaker, with ''Lost'' the TropeCodifier. Back in 2001, when ''24'' premiered, this trope was relatively rare. ''Lost'' popularized it in 2004, and as of 2009, it's become more and more popular on network television (see ''Supernatural'', ''Heroes'', ''Burn Notice'', ''The Sarah Connor Chronicles'', ''Life on Mars'', and others on this page).
* The '60s version of {{Captain Scarlet}} opened with a voiceover followed by gunshots and a vaguely comic sound of someone getting shot offscreen. The nearest thing to a theme tune was in the end credits.
**There was a musical 'sting' and harp glissando at the beginning of the totle intro, followed by quiet electronic tones not unlike the 'Mysteron' theme used in the episodes, over the stalk through the alley. Not to mention the drum-beat scene-change to the episode beginning.
* As noted in the trope description, ''{{Supernatural}}''. The title is thrown up on the screen and a short sound plays (differing with the different seasons - the latest consisting mostly of flapping wings).
* 60 Minutes.
* ''MyWifeAndKids'' would jump right into the episode, with the title of the show and a short musical sting that changed frequently.
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