Visible crew/equipment: When Jim gives his donation to Danny just after Gloria walks into the practice room for the first time, a microphone can be seen reflected in his tuba bell.
Visible crew/equipment: After Thorne gets his "temporary permit" to go cut down the trees, he's seen getting into his vehicle. Above it, a boom mic comes into frame.
Other mistake: During a serious conversation between Kathy Ireland and John Enos she covers her mouth and it's obvious she's laughing.