S4E1 - Has Anyone Here Seen Telly?
Telly Savalas gives star-struck Vera a thrill when he stops by the diner while she's working there alone. When no one believes her story, she quits in a huff.
Sept. 23, 1979, midnight
S4E2 - Mona Lisa Alice
Alice's sour reaction to Tommy's matchmaking efforts threatens Mel's new promotional gimmick which is free meals to customers if his waitresses don't smile.
Sept. 30, 1979, midnight
S4E3 - Mel Loves Marie
Mel gives a big engagement ring to his girlfriend Marie, but the sparkle quickly fades when he insists that she sign a premarital agreement.
Oct. 7, 1979, midnight
S4E4 - Vera Robs the Cradle
Just one dance lesson and Tommy falls head over heels for his instructor, Vera.
Oct. 21, 1979, midnight
S4E5 - Flo's Chili Reception
Mel is convinced that his chief competitor is romancing Flo just to get the recipe for Mel's Texas-style chili, rated by a food critic as being ""the best in the West.""
Oct. 28, 1979, midnight
S4E6 - Little Alice Bluenose
Vera's boyfriend objects to her sketching nude males in art class.
Nov. 4, 1979, midnight
S4E7 - Carrie Sharples Strikes Again
The return of Mel's domineering mother does nothing for his ego because after his back goes out, the customers flock in, for his mother's cooking.
Nov. 11, 1979, midnight
S4E8 - Mel's in the Kitchen With Dinah
Things get hotter than Mel's chili when Dinah Shore invites Mel to prepare his recipe on her show and bring along one, but only one waitress.
Nov. 18, 1979, midnight
S4E9 - Cabin Fever
Mel, his girlfriend and the waitresses spend the weekend packed like sardines in a fishing cabin.
Dec. 2, 1979, midnight
S4E10 - My Cousin, Art Carney
Vera asks Art Carney, a sixth cousin on her father's side, to endorse Mel's chili, so it can be marketed frozen as Chili con Carney.
Dec. 9, 1979, midnight
S4E11 - Mel, the Magi
A yule tale (with a touch of O. Henry's ""The Gift of the Magi"") finds the girls pooling their meager resources to celebrate Christmas at the diner.
Dec. 23, 1979, midnight
S4E12 - Good Buddy Flo
Flo takes the wheel herself when she learns that her trucker beau has a female partner.
Jan. 6, 1980, midnight
S4E13 - Alice in TV Land
Tommy stirs up trouble by candidly discussing his elders on a TV talk show.
Jan. 13, 1980, midnight
S4E14 - Alice Beats the Clock
Mel installs a time clock which prompts the waitresses to demand overtime for the Sunday cleanup they used to do for nothing.
Jan. 27, 1980, midnight
S4E15 - Carrie's Wedding
Mel is delighted that his mother is planning to remarry until he meets his prospective stepfather.
Feb. 3, 1980, midnight
S4E16 - My Funny Valentine Tux
Tommy has his heart set on taking his girl to a formal Valentine's dance and he needs a tuxedo.
Feb. 10, 1980, midnight
S4E17 - Auld Acquaintances Should Be Forgot
Mel plays host to a buddy whose wife has just left him.
Feb. 17, 1980, midnight
S4E18 - Flo's Farewell
A wealthy Houston restaurateur offers Flo a job she finds hard to refuse.
Feb. 24, 1980, midnight
S4E19 - For Whom the Belle Toils
Mel hires Belle, a Mississippi belle who rings Mel's chimes as ""one of the best waitresses I've ever had."" However, Belle is now aiming for lusher pastures as a country-music writer.
March 2, 1980, midnight
S4E20 - One Too Many Girls
The new waitress Belle is making big points with her old boss Mel, but she's scoring zero with Alice and Vera.
March 9, 1980, midnight
S4E21 - Vera, the Vamp
Heartbroken over her boy friend's sudden lack of attention, Vera begs Belle to transform her into a sex goddess.
March 16, 1980, midnight
S4E22 - Profit Without Honor
Mel signs a profit-sharing agreement with the girls just before learning he'll get a tidy sum for letting the city condemn his property.
March 23, 1980, midnight
S4E23 - Cook's Tour
Mel is receptive to an infatuated tour guide, as long as she keeps steering tourists into his diner.
March 30, 1980, midnight
S4E24 - Here Comes Alice Cottontail
Alice allows Tommy to stay with Mel, prompting a wager between Alice and Mel, she bets that he will kick Tommy out and Mel bets that Alice will snoop on her son.
April 6, 1980, midnight