Star Witness

S6 E18: While in Pixley with the Douglases Arnold witnesses a hold-up of the Pixley Bank. With his voice gone from squealing a hoarse Arnold is unable to describe the crooks to the sheriff. The robbers learn that one Arnold Ziffel can identify them so they come to the Douglas farm to silence him for good. They mistakenly kidnap Eb not realizing that it was a pig who saw the whole thing.