Liv eats a cantankerous old man's brain to learn the details of his death; Ravi thinks Major is experiencing a side effect of the cure; Liv visits Blaine.
- Accidental Murder: Byron kicked the car when Wendell said he killed Byron's dog (which he lied about), causing it to fall on Wendell.
- Falsely Reformed Villain: Blaine swears to Liv that he's gone straight. As soon as she's gone, he goes into the basement to check out a coffin full of drugs.
- Freudian Excuse: Wendell became the way he was in life when his fibromyalgia set in 30 years before, combined with his wife having left him and taking the kids.
- Grumpy Old Man: The victim of the week, a cantankerous old man named Wendell Gale. Liv becomes this when she eats his brains.
- Hates Everyone Equally: Wendell, as his sister-in-law stated.Clara: You name it, he hates it. The laughter of children, puppies, other races, his own race, trick-or-treaters, Christmas carolers.
- Noble Bigot: The old man brain Liv eats is an extremely racist, sexist and all around hateful person. Mixed with Liv's base personality you get this trope.
- Only Mostly Dead: Turns out Evan survived the Meat Cute explosion... but Liv's family now hates her because she wouldn't donate blood and couldn't explain why.
- Racist Grandpa: Wendell, the victim, was one of these.
- Shout-Out:
- The episode title makes a reference to the movie Grumpy Old Men.
- Gilda says that Major is Magic Mike hot.
- "Her name is New Hope, not Final Hope. You know this. If I wanted to give her a depressing name, I'd have gone with Phantom Menace."
- Ravi calls Liv on a racist's brain Archie Bunker.
- Liv yells "Good God, Lemon!" at Clive when he assumes she had a vision solving the murder.
- You Are a Credit to Your Race: Liv's "compliments" Clive after he gets a black thug to stop flirting with Liv.Clive: I'm gonna get myself a coffee and try very hard to forget you said that.
- Wham Episode: Major is coerced by threats against Liv to become a zombie killer for Max Rager.
- Wham Shot: The real identity of Liv's new roomie "Gilda" is revealed to be the evil Max Rager employee Rita. As Liv says, "Dumb, dumb zombie."
