Ed Helms’ Andy Bernard made his fair share of blunders on “The Office,” but the majority of his major blunders occur in the sitcom’s ninth and final season. Needless to say, the folks at Dunder Mifflin don't welcome him back with open arms after his three-month boating excursion, but Ed Helms actually had good reason for being off air during the eight episodes in which Andy is off adventuring.