In the movie Hannah decides to sneak out of the hotel without paying by wearing all of her clothes on top of each other.
"I'm not taking a suitcase, I'll look far too suspicious."
How the band hired their manager.
Tina: I said we should have gotten a proper lawyer instead of your Uncle Peter.
Hannah: My Uncle Peter knows the legal system a lot better than any normal lawyer.
Jo: Your uncle's an ex-con!
In Back To The 50s the rest of the band's complete indifference to Rachel, Jo, Bradley and Paul getting thrown in prison. Also Rachel requests an extra pillow and a Caesar salad. When Paul reminds her that they're in a jail cell and not a hotel, she says "that's why I only asked for a small Caesar salad".
Jo: Who wants to tell her what the bucket's for?
The episode of LA 7 when they decide to make a movie. Rachel and Jo are playing two bank robbers. When Jo gives her their game plan, Rachel says "oh but we can't hurt them [the people in the bank]" and she and Jo instead settle for calling them nasty names.
After the movie's shower scene...
Rachel: Jon, it might be just me but...did you...notice...something in the showers?
Jon is grinning like a school boy
Jon: Yeah, Rach, sorry but I looked. Don't worry, I still respect you.