During the final stretch of the fencing duel, Smart changes sword hand during his close-up.
Actually a post-production error in editing, this being the 3rd of a 3 part episode, at the beginning where they recap the ending of the previous part, the "Chief" is shot by an older man with his crutch, yet in the prior episode he had been shot by the younger man in a wheel chair.
When max and harrah are fencing you can see harrah swing well above the candle yet he pops the top of it off as if he hit it.