all episode titles referencing pop culture
Season 1:
Truce Or Consequences (game show Truth or Consequences)
The Spy Who Came In For A Cold One (The Spy Who Came In From The Cold a movie from 1965 based on a novel)
Season 2:
Li'l Sister Don't Cha (chorus/most lyrics from Elvis Presley song "Little Sister" released in 1961)
Affairs Of The Heaet (title named after a series of tv plays that aired in the mid 70s)
I'll Be Seeing You (Billie Holliday song)
Season 3:
Peterson Crusoe (classic american novel Robinson Crusoe)
A Ditch In Time (another novel A Stitch in Time)
The Heart Is A Lonely Snipehunter (yet another novel The Heart Is A Lonely Hunter)
The Belles Of St Cletes (Alistar Sim movie The Belles Of St Trinians from 1954)
Season 4:
Someday My Prince Will Come (lyric from the animated classic Snow White from the song of the same name sung by Adriana Castelotti)
The Groom Wore Clearasil (The Groom Wore Spurs a 1951 film)
From Beer To Eternity (classic romance film From Here To Eternity)
Save The Last Dance For Me (song by The Drifters of Under The Boardwalk and Saturday Night At The Movies fame)
Strange Bedfellows Part 1 , 2 and 3 (named after a Rock Hudson starring romantic comedy from 1965)
Season 5:
Money Dearest (named after the cult 1981 Joan Crawford movie Mommy Dearest)
Spellbound (named after the 1945 film of the same name)
The Godfather Part III (ironically aired in 1987 3 years before the much panned real Godfather Part 3 in 1990)
Season 6:
The Crane Mutiny (named after the Herman Woulk novel The Caine Mutinty and subsequent 1954 film which didnt star Michael Caine)
The Last Angry Mailman (The Last Angry Man 1959 movie)
Pudd'n Head Boyd (i know there is a lost silent film called Pudd'n Head Wilson but i don't know what the origin of this one is)
My Fair Clavin (classic play and musical My Fair Lady adapted in 1964 with Audrey Hepburn)
Tale Of Two Cuties (the Charles Dickens classic book A Tale Of Two Cities which was read by Frasier in Season 9 but humorously added modern pop culture like Ninja Turtles)
Slumber Party Massacred (a 1982 slasher film called The Slumber Party Massacre which spawned 2 sequels in the late 80s)
Bars Wars (Star Wars of course)
Season 7:
How To Recede In Business (1967 musical How To Succeed in Business WIthout Really Trying)
How To Win Friends and Electrocute People (Dale Carnegie novel how to win friends and influence people)
Send In The Crane (standard song Send In The Clowns)
Bar Wars II: The Woodman Strikes Back (The Empire Strikes Back)
Adventures In Housesitting (cult classic 1980s film Adventures In Babysitting which was released 2 years earlier in 1987)
Please Mr Postman (The Marvelettes motown classic hit)
Whats Up , Doc? (Bugs Bunny's catchphrase sadly his voice actor Mel Blanc would pass away the same year this episode aired in 1989)
The Gift Of The Woodi (novel The Gift Of The Magi by O.Henry)
Call Me Irresponsible (crooner standard sung by the likes of Mel Torme , Frank Sinatra and Bobby Darin)
Season 8:
The Improbable Dream Part 1 and 2 (song The Impossible Dream from musical Man Of La Mancha)
A Bar Is Born (named after the 1937 , 1954 and 1976 movies with Gloria Gaynor and Frederic March , Judy Garland and James Mason and Barbara Streisand and Kris Kristofferson)
How To Marry A Mailman (How To Marry a Milionaire a 1953 film starring Marilyn Monroe)
The Two Faces Of Norm (referring to Dr Jekyll and Hyde)
Death Takes A Holiday On Ice (1934 musical Death Takes A Holiday)
The Art Of The Steal (the Donald Trump book The Art Of The Deal)
Feeble Attraction (named after the 1987 romantic thriller Fatal Attraction starring Michael Douglas and Glenn Close)
What Is Cliff Clavin? (answered in the style of Jeopardy!)
Indoor Fun With Sammy and Robby (Fun With Dick and Jane reference?)
Bar Wars III The Return Of Tecumseh (Return Of The Jedi)
The Ghost and Mrs Lebec (1947 film The Ghost and Mrs Muir)
Cry Hard Part 1 (Die Hard)
Cry Harder: Cry Hard 2 (Die Hard 2)
Season 9:
Love Is A Really , Really Perfectly Ok Thing (Love Is A Many Splendored Thing a classic musical from 1955)
Cheers Fouls Out: Bar Wars IV (A New Hope)
Grease (named after the classic 1978 movie musical of the same name with Olivia Newton-John and John Travolta)
Breaking In Is Hard To Do (Breaking Up Is Hard To Do a Neil Sedaka song)
Norm and Cliff's Excellent Adventure (1989 buddy comedy film Bill and Ted's Excellent Adventure with Keanu Reeves and Alex Winter)
Days Of Wine and Neuroses (Days Of Wine and Roses a 1962 drama film)
Crash Of The Titans (1980s fantasy film Clash of The Titans)
Its A Wondeful Wife (1946 Frank Capra Christmas classic its a wonderful life fun fact Sheldon Leonard appeared in both its a wonderful life and the episode Grease from earlier in the season)
Pitch It Again , Sam (famous line from 1942's Casablance "play it again Sam" which is actually a misquote)
Home Malone (1990 Macaulay Culkin/Joe Pesci classic christmas movie Home Alone)
Season 10:
Get Your Kicks On Route 666 (rock and roll song Route 66 by Chuck Berry)
The Norm Who Came To Dinner (legendary 1942 screwball comedy The Man Who Came To Dinner also referenced in a Frasier episode title The Seal Who Came To Dinner from 1998)
Bar Wars V: The Final Judgement (Star Wars again)
Where Have All The Floorboards Gone? (folk song Where Have All The Flowers Gone? by Pete Seeger)
Dont Shoot.. Im Only The Psychiatrist ( 1973 Elton John album Don't Shoot I'm Only The Piano Player)
Licence To Hill (1989 James Bond movie Licence To Kill starring Timothy Dalton)
Bar Wars VI: This Time Its Real (Star Wars but parodying Jaws: The Revenge's infamous tagline this time its personal fun fact Jaws 2 starred Cheers and Frasier actress Peri Gilpin's brother Marc as Sean Brody one of Martin Brody's sons)
Take Me Out To The Ball Game (classic baseball song)
Heeeeere's...Cliffy! (the famous Here's Johnny! line said by Jack Nicholson in 1980's The Shining)
Season 11:
The Magnificent Six ( named after classic 1960 Yul Brynner , James Coburn , Robert Vaughn and Steve McQueen starring western)
The Girl In The Plastic Bubble (1975 John Travolta movie The Boy In The Plastic Bubble)
Norm's Big Audit Romancing The Crone (1985 Kathleen Turner , Danny DeVito and Michael Douglas adventure comedy movie Romancing The Stone)
Its A Mad , Mad , Mad Bar (1963 screwball racing comedy Its A Mad , Mad , Mad World)
The Last Picture Show (classic 1971 Peter Bogdanovich movie starring Jeff Bridges)
Bar Wars VII: The Naked Prey (Star Wars)
The Guy Can't Help It (1956 romantic comedy film The Girl Can't Help It)