Although not in the same story, two boys in this episode are named Bobby and Greg, the names of the youngest and oldest boys, respectively, on The Brady Bunch, which also starred Eve Plumb (Terry Summers here) ss middle sister Jan.
Marc Gilpin is best known for playing the younger son of Roy Sheider's in Jaws 2 (1978) with Mark Gruner as the older brother who guest starred on The Brady Bunch as a boyfriend of Eve Plumb's, who is in this episode with Marc Gilpin. Also Eve starred in the TV version of Little Women with Ann Dusenberry as one of her sisters. Ann was then in Jaws 2 as well with both boys Mark Gruner and Marc Gilpin! Plus, Marc's sister April Gilpin appeared in both this episode and Jaws 2.