(The episode starts with Mordecai on a down-track escalator. He trips and his arms get stuck in a bottom step)
Mordecai: AHHHHHHHHHHHHHHH!
(Cut inside the house)
Rigby: (whistling)
(Mordecai comes in the living room with both of his arms chopped off by an escalator)
Rigby: Woah, what happened to your arms?
Mordecai: Agghh... I lost them to an escalator...
(Muscle Man comes in the living room)
Muscle Man: Hey Morde-Wait a minute? You lost your arms? (laughing)
Mordecai: Actually, ye-OW! (groans) Quit touching my arm insides!
Rigby: Dude, Muscle Man, its serious talk, not comedy talk.
Muscle Man: (breaths sharply)
Rigby: STOP TALKING!
Mordecai: Rigby, can you please turn on the TV for me?
Rigby: Alright. (grabs the remote and pushes the power button)
? ?: Tired of having no arms or legs?
Mordecai: Yeah, yeah, yeah.
Billy Mays: I'm Billy Mays here in limb replacement store, the arm/leg replacements you can buy from. It has separate shelves! One is the lefties, and the other, righties. it has all the types and models of arm replacements, even prototypes, but watch out using prototypes! Call now and we'll cut all the prices in half for you!
Mordecai: Dude, give the phone!
Rigby: I'm dialing the number (calls) BAM! (puts the phone on Mordecai's ear)
Mordecai: Hello, we called from the commercial.
Arm Replacement Employee: Oh sure! We'll now cut the prices in half for you and your friend, Mordecai. Bye.
Mordecai: Bye.
(Rigby ends the phone call)
Billy Mays: But wait: it's nearby the park!
(Rigby turns off the TV)
Mordecai: (gasp) He's right; it is nearby us!