Stefan Hatos-Monty Hall Productions

1st Logo (December 30, 1963-September 30, 1977)
Logo: On the closing credits of any show, we see the text:

A STEFAN MONTY HATOS HALL Production

Technique: Scrolls up in the credits.

Music/Sounds: The ending theme of any show with an announcer saying: "(Title of game show) is a Stefan Hatos-Monty Hall Production. (Name of announcer) speaking." No announcer is heard on 3 for the Money.

Availability: Rare. Currently seen on episodes of the original Let's Make a Deal on Buzzr (previously seen on GSN). Also seen on Split Second as well. Two other examples of shows with this logo include 1975's Three for the Money (with Dick Enberg) and 1977's It's Anybody's Guess (with Monty Hall), both for NBC.

2nd Logo (March 20, 1972-June 27, 1975, 1980-1986)
Nickname: "HH"

Logo: As superimposed or scrolling in the end credits, we see an italicized, yellow outlined "HH" (Hatos' and Hall's initials) and on the left is "STEFAN HATOS" and on the other side is "MONTY HALL" and under it is "PRODUCTION". An "in association with" text is seen below, where the superimposed version of the Telepictures "Rollercoaster" logo would follow.

Technique: The scrolling or superimposed of the end credits.

Music/Sounds: The end theme from any show with the announcer announcing: "(Title of game show) is a Stefan Hatos-Monty Hall Production! (in association with [Name of production company])."

Availability: Extremely rare. Seen on the second run of Let's Make A Deal (1980-1981) and The All-New Let's Make a Deal (1984-1986). Currently seen on The All-New Let's Make a Deal on Buzzr since June 1, 2016. This was also seen on the 1986 version of Split Second as well, followed by Viacom's "V of Steel" logo.