
Visible crew/equipment: When Jamie Lee Curtis is leaving John Cleese's office, she kisses him goodbye and calls him Uncle. After she has left, you can clearly see the cameraman move into view of the mirror. (00:33:27)

Visible crew/equipment: After Ken kills the last dog and the witness has a heart attack, he walks out of the house he was in and in the reflection of the black door you can see a crew member and a camera. (01:19:35)

Revealing mistake: When Otto holds Archie upside-down, out the window, the rigid outline of the support is quite visible under Archie's pants' material. (00:59:55)

Visible crew/equipment: Outside court when Archie is talking to a man, Wanda is standing behind them wearing a fake wig. When the man leaves, if you look in the window behind them to the right, you should be able to see the boom mike operator wearing a red shirt. (00:38:25)

Visible crew/equipment: When Wendy arrives home, before finding Archie unconscious on the floor, as she gets out of the car, the crew is reflected in the side mirror of the car. (01:06:15)

Revealing mistake: During the trial, George calls Wanda a b*tch and runs towards her, jumping on the tables. The actor is replaced by a very obvious stuntman: younger, with a fuller moustache, and with longer and darker hair.

Continuity mistake: Otto stabs a knife into the baby seal poster. Several shots later, the poster is undamaged.

Revealing mistake: When Otto is firing at Ken, while Ken is driving the steam roller, you can see the explosive pack on the steel post before the bullet hits it. (01:38:05)
Answer: John Cleese was reciting the poem "Molitva" by Mikhail Lermontov. He learned and memorized it phonetically and has admitted that he had no idea what the words actually meant.
Angela Brown