What goes around comes around - S3-E17
Revealing mistake: When the gardener hands Charlotte the rose, he is supposedly picking it out of some rose bushes he is in the process of planting. He even makes a motion as if 'picking' it from the bunch. But when he hands the single long stem rose to Charlotte; it's obvious that this rose has already been cut, and is missing the lower leaves. (00:16:05)
What goes around comes around - S3-E17
Continuity mistake: Trey hits the last tennis ball in the basket but a shot later another ball appears.
Answer: Yes, it is.