Maxwell Smart, Private Eye - S3-E5
Other mistake: At the Alledon Arms shootout scene, an agent sneaks behind Max and Max shoots him dead, but at the angle that Max fired, the bullet would have hit the concrete, not the man.

Starring: Barbara Feldon, Don Adams, Edward Platt, Robert Karvelas
Maxwell Smart, Private Eye - S3-E5
Other mistake: At the Alledon Arms shootout scene, an agent sneaks behind Max and Max shoots him dead, but at the angle that Max fired, the bullet would have hit the concrete, not the man.
Continuity mistake: When Max is phoning the Chief to let him know the mission's been accomplished, he takes the oars out of the oarlocks before opening his shoephone. The oars change from being out of the oarlocks in the closeups to still being in the water in the long shots for the rest of the episode. (00:23:50 - 00:24:30)
School Days - S1-E3
Max: When the moon is full, the tide is high.
Old Lady: You must want the spy school, that's next door.