Trivia
- The name of this episode is a pun on the word "underdog", or a reference to ThunderCats franchise, or a reference to the Underdog cartoon.
- The concept of the weapon "Thunder Bird" was possibly inspired from the TV show Get Smart, in the episode Supersonic Boom, where the antagonists, KAOS, had a sonic weapon able to create earthquakes.
- In this episode, Kitty wears a collar, however this is the only episode where she is seen wearing it.
- The Dunkin' Donuts spoof Dumpin Donuts reappears in this episode after previously appearing in Snapnapped.
- Bird Brain has an aunt named Aunt Lulu who moved to Mexico.
- Rancho Boobamunga's name is a play on the city of Rancho Cucamonga.
- Dudley saying "I'm still stuck on the word Boobamunga." It may be a sexual joke, as "boob" is a term for "breast".
- The bag of Korn Nuts is a play on the snack food Corn Nuts.
- This episode was nominated for an Annie Award.
Running Gags
- Bird Brain's new henchmen saying "Who?" and "Where?".
- The Chief freaking out over small robberies done by Bird Brain.
- Keswick jumping into the incinerator chute instead of the laundry chute.
- Dudley chaining himself onto large and heavy objects.
- Dudley using the adjective "brave guy" when he puts on the collar.
Goofs
- In a scene or two, Kitty's headband changes color.
- In the first shot, Dudley already has his medal on, despite getting it a few shots later.
- Keswick has a fear of girls, but in other episodes, he interacts with girls and isn't afraid of them.
- When Keswick yells by being interacted by a girl at the end, his left arm is not seen.
- When Bird Brain announces his plan to all the citizens that he's going to destroy Petropolis and have them move into his condos, the wire on his microphone isn't connected.
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♦ Season 1 Trivia ♦ | Season 2 Trivia >> | ||||||||||||||
#01 | Purr-fect Partners | #12 | Internal Affairs | #23 | Kid Stuff | #34 | The Curse of King Mutt | ||||||||
#02 | Doom-mates | #13 | Chilly Dog | #24 | Super Duper Crime Busters! | #35 | Bored of Education | ||||||||
#03 | Mall Rat | #14 | The Doomies | #25 | Mission: Really Big Mission | #36 | Snappy Campers | ||||||||
#04 | Operation: Happy Birthday | #15 | Thunder Dog | #26 | Hot Dog | #37 | Lucky Duck | ||||||||
#05 | Snapnapped | #16 | Snap Dad | #27 | Frisky Business | #38 | Guard Dog | ||||||||
#06 | Mom-A-Geddon | #17 | Iron Mutt | #28 | Disobedience School | #39 | Dog Save The Queen | ||||||||
#07 | Cruisin' for a Bruisin' | #18 | The Wrong Stuff | #29 | The Dog Who Cried Fish | ||||||||||
#08 | Puppy Love | #19 | Watch Dog | #30 | Doom and Gloom | ||||||||||
#09 | Toast Of T.U.F.F. | #20 | Dog Dish | #31 | Law and Odor | ||||||||||
#10 | Share-A-Lair | #21 | Forget Me Mutt | #32 | The Rat Pack | ||||||||||
#11 | Dog Daze | #22 | Mind Trap | #33 | Booby Trap |