12 O'Clock High - Season 1 - Eps 24: The End of the Line
A Squadron Commander, Major Joe Gallagher scrubs himself from a mission and his replacement Captain Larry Hollander is killed. Gallagher feels responsible and goes to meet Hollander's girl May. May is a sweet young British girl living with her Aunt Nell. He finds out that they were going to be married, and May thinks he is there to check her out for security so that she and Hollander can be married. When she realizes why Gallagher is there she breaks down. Gallagher starts to look after May and they fall in love. Gallagher finds out that she is pregnant and offers to marry her. He talks with General Savage who will not approve as she has not yet been cleared. May tries to kill herself and Gallagher goes back to Savage. Savage asks Major Stovall to check her out, he calls and she is apparently out at a seedy bar. Savage & Stovall go to check and she is out drinking with another man. When Gallagher confronts her she denies everything then when Gallagher asks her to take a pregnancy test
About 12 O'Clock High

Title: 12 O'Clock High
First Air Date: 1964-09-18
Last Air Date: 1967-01-13
Status: Ended
Rating: 7.263/10 (from 19 votes)
Language: EN
Seasons: 3
Total Episodes: 78
Network: ABC
Genres: Drama, War & Politics
Production Companies: Unknown
Synopsis
This series chronicles the adventures--in the air and on the ground--of the men of the 918th Bombardment Group of the U.S. Eighth Air Force. First commanded by irascible General Frank Savage--and later by Colonel Joe Gallagher, the son of a Pentagon General--the Group is stationed in England, and flies long-range bombing missions into German-held Europe.
Cast

Paul Burke
Colonel Joe Gallagher

Frank Overton
Major Harvey Stovall

Chris Robinson
T/Sgt. Alexander "Sandy" Komansky

Barney Phillips
Major "Doc" Kaiser

Andrew Duggan
Brigadier/Major General Ed Britt

Robert Dornan
Lieutenant/Captain Fowler