bk, BANACEK was never a part of the Sunday Mystery Movie series with COLUMBO. MCCLOUD (as you said), MACMILLAN AND WIFE, and HEC RAMSEY were the other components.
BANACEK anchored its own group of Mystery Movies on Wednesday (and then switching to Tuesday). NBC tried lots of shows to pair with it, but other than BANACEK, none ever reallty caught on. Among those attempts were MADIGAN, COOL MILLION, THE SNOOP SISTERS, TENAFLY, and FARADAY & CO.
Further complicating things is the interesting detail that
McCloud and
Night Gallery first appeared as mini-series in a program called, as I recall,
Four in One. The concept was that each series would run for six weeks in the timeslot, then be replaced by the next, and then by the third and fourth shows. I'll be danged if I can recall what the other two shows were called, or what they were about, but the concept failed, McCloud was relocated to the-much-easier-for-audiences-to-understand
Sunday Mystery Movie, and Night Gallery returned as a weekly series.
It was at about this time that NBC
also aired
The Name of The Game, with Gene Barry, Tony Franciosa, and Robert Stack rotating in stories about a publishing empire. During the first season, Susan St. James was featured in all three rotations, as a girl friday - a job she left when the
McMillan and Wife gig came her way.