The first three flashback scenes (the "foot in ass" flashbacks, the water tower flashbacks and Hyde hitting Kelso flashbacks) have some flashbacks the persons shown as remembering them can't know as they didn't witness the event or it was imagined by someone else. Hyde's flashbacks (about falling off the water tower) feature a scene that he didn't witness in "Too Old To Trick Or Treat, Too Young To Die" (Donna and Eric alone on the water tower, and Eric falls; Hyde was sneaking at Pinciottis' at this moment). Red's flashbacks (about "foot in ass") feature a scene from Fez's dream sequence from "That 70s Musical" ("and don't let bed bugs put their foot in your ass"), and Kelso's flashbacks (about being beaten by Hyde) feature a Star Wars-themed scene from Eric's dream sequence from "The New Hope" (Han Solo, portrayed by Hyde, punches Chewbacca, portrayed by Kelso). The only entirely consistent flashback sequence is Donna's.
In this episode, Red gives Hyde a check; it's all the money that Hyde paid as rent. In Sleepover, Red said, after Hyde gave him money for rent:
Red: You know, I'm going to take that money and open him a savings account.
Kelso: Speaking of hot chicks, what's going on with you and that stripper wife of yours?
Hyde: Hmmm... not good, man. She's gone.
Kitty (to Hyde): Now that we're staying, maybe you could shave your mustache, because, Honey, you look like a forty-year old male prostitute.
While Hyde spent most of the fifth season with facial hair, that was a beard and mustache. He shaved that off for Jackie in the episode Black Dog, and remained clean-shaven until the eighth season, when he appeared with the mustache in episode Spread Your Wings.
Kelso "falls" off the water tower for the final time in this episode, marking it as the fourth fall by him overall in the series. The first three falls occured in Water Tower (1 - 21), The Immigrant Song (5 - 24), and Bohemian Rhapsody (8 - 1).
The weather seems unusually warm (based on what everyone is wearing) for this episode to take place in Wisconsin in December.
The outfit that Kitty wears in the New Year's Eve party scene (red blouse, flowered skirt) in the final episode is the same outfit she wears when she is first seen in the party scene in That '70s Pilot.
Red (reading the newspaper): Just when I think I can't like Florida any more, they reinstate the death penalty!
This is a goof, as Florida has had the death penalty since 1923, when electrocution became the officially sanctioned method of execution. On June 29, 1972, the US Supreme Court struck down death penalty statutes, but Florida revised its statutes in December 1972 and these were upheld by the Supreme Court in 1976. The first execution to take place in Florida subsequent to this was on May 25, 1979; Red would most certainly not be reading about an execution that took place 7 months earlier in the newspaper.
The music used in this episode was:
When I Need You (1976) by Leo Sayer;
Thirteen (1972) by Big Star;
Hello It's Me (1972) by Todd Rundgren.
The end credits scene, with the gang in the car singing along with the Todd Rundgren song, is from the episode That '70s Pilot.
Kelso (to Hyde): Remember that time you shot me with a BB gun? I still have the BB stuck under my skin.
Hyde shot Kelso in the season 5 episode Black Dog (a.k.a. Ow, My Eye) in a fight over Jackie.
Eric: I wish there was just some way to take the edge off.
(in the next scene, stoned)
Eric: Edge, you're officially off.
Kelso: Hey, guys. Look, I'm a rhino! WOOF! WOOF!
(after Hyde gets Packers tickets for Red)
Randy: My grandfather was on the Packers waiting list for 30 years. When the tickets finally came, he was 90 years old. He ate them.
Kelso: I got this four foot bottle rocket, and I'm gonna tie it to my arm, and light it, and just blast into the future!
Kelso: Yeah, things are going great in Chicago. I even taught my baby daughter how to say "Burn." She doesn't use it right though. I get her a lot more than she gets me.
Hyde: What the hell man! I thought you left for school like three hours ago.
Donna: I just want to see Eric one last time, you know? Show him that even though he broke up with me I'm fine.
Hyde: Uh-huh. Or maybe it's cause (mockingly) you love him.
Donna: You are so off.
Kitty: He's here!
Donna: Oh my God, how's my hair?
Red: Steven, Here's a check for you. It's all the rent you've paid over the years. I put it into a savings account so you'd have something to get you started.
Hyde: Whoa! This will buy me a monster bag of... marshmallows.
Donna: Wow, the last day of the seventies. Thinking back it's like one big blur.
Hyde: You're welcome.
Eric (to Donna): And you know what? It turns out that Red was right... I am a dumb ass!
Red: Everybody, we have an announcement: we've decided not to sell the house. We're going to stay in Point Place.
(everyone claps and cheers)
Leo: Hey, that's so weird, man. I was just thinkin' of movin' to Point Place!
(Fez and Jackie kiss)
Jackie: That was really nice.
Fez: Yeah... you have a really strong tongue.
Jackie: Yeah, it's from all the talking.
Red: I circled the airport so many times that my finger actually hurts from flipping people off!
Kitty: I can't wait to see my Eric! I wonder what he'll look like?
Hyde: I'm going to go out on a limb and say... skinny.
Kelso: Man, c'mon! I'm not going to spend New Year's Eve without my friends,... c'mon! Besides, it's, like, the turn of the century!
Kelso: You know, it makes total sense for Jackie to end up with Fez. She started out with me, a Ferrari, then she went to Hyde, a Mustang, and now she's with Fez, who's like a donkey pulling a cart full of brightly colored Mexican blankets.
Eric: Last one up the stairs has to call Red a dumb ass.
Kelso: Hey Red, can I light this off in your house?
Red: Sure, then I'll light my foot off in your ass.
In Latin America, there weren't ending credits. After the gang went upstairs to count down, just when they were going to say "zero!", the license plate that says "'80" appears.
That '70s Finale did well for FOX garnering 10.02 million viewers.
Although there were hopes that Fez's real name and/or homeland would be revealed in the finale, neither one was. Over the years, there were hints dropped about where Fez is from, but no confirmation of any one place.
Even though the finale was separated into two separate episodes, there was no title sequence for part two. Instead, the actors names just appeared on the screen and a transition like music played over the license plate as they went to commercial.
The license plate at the end of the ending credits finally switches from '79 to '80.
(after a montage scene of Red threatening to put his foot in various people's asses)
Hyde: Did you ever actually do that... with your foot?
Red: Once. On Iwo Jima. I can't talk about it.
The Battle of Iwo Jima was a fierce fight in the Pacific Theater near the end of World War II. It took place from February 19 to March 26, 1945. The Americans suffered numerous losses, but eventually took the Japanese island. Red has previously mentioned other battles that he was involved in in the Pacific Theater during World War II, most notably, Guadalcanal, in the episodes Drive-In and Long Away.