* When Phil Diffy and Keely Teslow become a couple in "Back To The Future (Not The Movie)".
-->'''Keely''': We do kinda hang out a lot... together.
-->'''Phil''': Yeah. I guess someone could... mistakenly... think we're one of... those things
-->'''Keely''': Yes yes, they definetly could... mistakenly
-->'''Phil''': Unless... do you want to be a couple?
-->'''Keely''': No!
-->'''Phil''': No...
-->'''Keely''': Do you?
-->'''Phil''': No...
-->'''Keely''': Yes!
-->'''Phil''': Yes?
-->'''Keely''': I do!
-->'''Phil''': Me too!
-->'''Keely''': Yay, we're a couple!
-->'''Phil''': Shh!
-->'''Keely''': Phil, the whole school just voted us cutest couple. I think they know.


* When Phil Diffy and Keely Teslow kissed in "Back To The Future (Not The Movie)".
-->'''Keely''': Phil! You're still here! Does that mean you're not going?
-->'''Phil''': No, no I'm still going.
-->'''Keely''': Oh.
-->'''Phil''': I didn't want to leave without saying goodbye for real.
-->'''Keely''': Yeah
-->'''Phil''': [kisses her passionately and everyone cheers]

-->'''Phil''': [pulls Keely into a hug]
-->'''Keely''': [whispers in Phil's ear, so that only he could hear] In the future will you wait for me?
-->'''Phil''': But... Won't you be really, really old?
-->'''Keely''': [Gives him a knowing look, and smirks]
-->'''Phil''': But that shouldn't matter...See ya, Salt.
-->'''Keely''': See ya, Pepper. [pulls him into one last kiss]


* When Keely kisses Phil on the cheek in "Tia, Via, or Me...Uh"
-->'''Keely''': [Keely arrives and kisses Phil on the cheek, pleasantly surprising him.] That's for introducing me to Via.
-->'''Phil''': I get a kiss every time I introduce you to a girl. [grabs random girl heading down the hallway] What's your name? Have you met Keely?

* Keely telling Phil how wonderful he is in "Christmas Break".
-->'''Keely''': Phil Diffy, Your the most wonderful boy I have ever known.

* Keely's reaction to Phil's birthday gift in "Happy Nirday".
-->'''Keely''': This is the sweetest, most wonderful, Incredibly beautiful thing anyone has ever done for me.

* Phil telling Keely how much she means to him in "Time Release Capsule".
-->'''Phil''': I thought being remembered a hundred years from now wasn't important. But I'd give a hundred years of memories just to remember the most important, special, wonderful person I've ever met...Keely Teslow."

* When Phil and Keely acted like they were married in "Dinner Time" and Keely calling him a Sweetie Pie.
-->'''Phil''': I wish you did remember though, for a while there it was kind of like we were married.
-->'''Keely''': Was it fun?
-->'''Phil''': Yeah... it was fun.
-->'''Keely''': Cool, well I better get to class.
-->'''Phil''': Yeah
-->'''Keely''': See ya at lunch sweetie pie [stops then turns towards Phil] I-I mean Phil.