Back to the Future: Most likely a reference to its time-travel plot, the film has a character named Old Man Peabody, who has a son named Sherman.
In True Lies, Harry Tasker at one point has his wife Helen captured by fellow agents. She reveals that she has been longing for more excitement in her life, so Harry's disguised voice tells her that she will briefly work as a spy for his organization, and that she will be contacted by an agent named "Boris". When he is about to identify her own code name, she immediately guesses, "Natasha?"
In Strange Days, when Lenny gets a tape sent to him anonymously, he jokes, "Fan mail from some flounder?"
Full House: Joey has imitated Bullwinkle several times.
In an episode of GLOW (2017), Ruth goes to a Russian bartender for advice on her Soviet wrestling persona. She says "I think you deserve better than Boris and Natasha."
Murphy Brown: Murphy once ridiculed a Russian colleague by saying that she sounds like she should be "plotting big trouble for moose and squirrel!"
NewsRadio: Jimmy once mentioned Mr. Peabody's WABAC machine.
Supernatural: Recurring villain, Crowley, would often nickname Sam "Moose" and Dean "Squirrel" based on their height.
On The West Wing episode "Celestial Navigation", after C.J. has root canal work, Josh at first jokes that she can still do a press conference before coming clean and saying she can't give it because she looks like Bullwinkle.
In "The Thin White Line", Chris enters a time machine he thought was a tanning booth, taking him back to Ancient Rome; Peter pulls a lion out of the machine and remarks "Must've got the wrong hat". Afterward, Rocky, voiced as usual by June Foray, announces "and now, here's something we hope you'll really like!".
A Cutaway Gag "The Kiss Seen Around the World", shows Brian and Peter, acting like Mr. Peabody and Sherman, going back in time to meet Christopher Columbus.
Near the end of "Stew-Roids", Stewie discovers that the large muscles he acquired from taking steroids had turned to flab, and he escapes a vengeful Brian by jumping out of a window and flying around like Rocky.
Futurama: In "A Head In the Polls", Bullwinkle can be seen in the background manning a booth for the Bull Moose Party.
Mighty Mouse: The New Adventures: In "Don't Touch That Dial", Mighty gets transposed from his show into numerous others. One of them is "The Rocky And Hoodwinkle Show," which features a diminutive moose and a caricature of Sylvester Stallone as Rocky Balboa.
The Powerpuff Girls: The episode "I See a Funny Cartoon in Your Future" is styled like an episode of Rocky and Bullwinkle, complete with June Foray voicing the villain and a caricature of Jay Ward appearing at the end.
In "Bart Vs. Thanksgiving", Bart and Homer watch the Macy's Thanksgiving Day Parade, where Bart doesn't recognize the balloon characters of Bullwinkle and Underdog, and complains that they ought to use "cartoons made in the last fifty years".
In the Time and Punishment segment of "Treehouse of Horror V", Homer encounters Mr. Peabody and Sherman while traveling through time. Later on, Kang and Kodos turn into the duo as Homer repeatedly alters history.
The Couch Gag for "Simpson Tide" is a parody of the Rocky and Bullwinkle end bumper, in which the family perishes in a thunderstorm and rises anew from the dirt.
In "Moe'N'a Lisa", one of the athletes in the Senior Olympics attempts a high-diving routine, and his sagging skin causes him to fly around like Rocky in the opening titles.
In "YOLO", Homer's pen pal Eduardo takes him skydiving with wingsuits so he can fly like his hero, Rocky the Flying Squirrel. When Homer gets cold feet about it, he says that it's June Foray he really idolizes.
In "The Man Who Came to Be Dinner", as the Simpsons travel through space, Rocky is seen on an asteroid with Gidney and Cloyd; Rocky realizes he can't survive in space and promptlyexplodes.
The Tiny Toon Adventures episode, "Acme Cable TV" has a sketch entitled "The Babsy and Buswinkle Show", featuring Babs as "Babsy", Buster as "Buswinkle", and Montana Max and Elmyra Duff in the roles of Boris Badenov and Natasha Fatale.
In the South Park episode "Imaginationland Part III" Rocky and Bullwinkle are among the characters fighting on the good side.