When Horatio's head hits the statue in the re-enactment, the base of the stature gives way as if made of foam rubber.
The check Jessica gives to Laurie Bascomb is in an envelope. When she takes the check out of the envelope, Laurie hugs Bert Donovan then holds the check upside down but visible. The check is blank.
When Arnold Megrim (Richard Sanders) walks into Phillip Carlson's (Kristoffer Tabori) office to tell him that Jessica Fletcher is there, you can see the shadow of a boom mike in the upper left-hand corner of the screen as Megrim enters during the wide shot.