Cate says something about Paul looking for his socks before going to the shop. At the end of Part 2 Cate finds the socks under a pillow, where they form a figure 8.
James Garner greatly enjoyed his late in life role in the show, especially working with such a young and vibrant cast. In his autobiography he paraphrased General Douglas MacArthur's comment on the Korea War describing his casting as "A great gift to an old campaigner'.
The cast members' crying was real.
John Ritter played a waiter at an ice cream restaurant on the Bob Newhart Show with Suzanne Pleshette. Here she is playing the role of his mother-in-law.
First appearance of James Garner as Cate's father, Jim.