Columbo

An egotistical but successful star of a TV detective show murders his blackmailing producer and makes it look like a robbery.

Stars: Peter Falk, William Shatner, Bert Remsen
Director(s): Bernard L. Kowalski
Writer(s): Lou Shaw, Peter S. Feibleman, Henry Garson

The spinster head of a family-run museum murders her brother when he threatens to dissolve the financially strapped institution.

Stars: Peter Falk, Joyce Van Patten, Jeannie Berlin
Director(s): Robert Douglas
Writer(s): Peter S. Feibleman, Peter S. Fischer, Richard Levinson

Sigma Society member Oliver Brandt murders his business partner when he threatens to expose him as an embezzler and constructs a seemingly foolproof alibi.

Stars: Peter Falk, Theodore Bikel, Kenneth Mars
Director(s): Sam Wanamaker
Writer(s): Robert Malcolm Young, Richard Levinson, William Link