In "Just the Two of Us," X-2 is shown with four toes. In previous episodes, he's shown with only three toes.
X-2: (after catching a lot of fish) Mother was right. There are plenty of fish in the sea.
Magnificent Rogue: You go out there and unhook us, while I sit here and do nothing.
Magnificent Rogue: Do you know what I love?
Cadet: Yourself and elaborate recipies involving popcorn?
Tim Curry is billed as "Special Guest Star."
"Villainstruck" is "Chapter: 21.12"; "Just the Two of Us" is "Chapter: 11.18".
Song Title: "Captain's log 86.75.309"
The stardate number of the recording the Cadet is working on at the beginning of "Just the Two of Us" is 86.75.309. This is an allusion to the song "867-5309" by Tommy Tutone.
Though he doesn't go insane, Dodgers calls the volleyball at the end OD Just the Two of Us, Spalding. Much like how the character Tom Hanks played in the movie "Cast Away" called his volleyball Wilson.
"Just the Two of Us" bears a resemblance to CBS' hit reality series Survivor.
n/a: Song Title
"Just the Two of Us" is also the title of an R&B song by Bill Withers.