S04E01, “Extradition: British Columbia”:

  •  Usain Bolt

“Dude, I know you’ve seen Entrapment at least 26 times. You have to do this. You’re twice as limber as C. Zeta-Jones.” -Shawn Spencer, “Uh-uh, Shawn. Not happening.” – Gus, “Gus, we don’t have a lot of options here. It’s not like we can turn back. Look it’s three lasers. Plus, they’re Canadian lasers. I’m gonna guide you through this….Usain Bolt.” – Shawn, 32:30

S04E02, “He Dead”:

  • Jazz Hands

“My name is Shawn Spencer. This is my associate Jazz Hands.” – Shawn, 26:20

S04E03, “High Noon-ish”:

  •  Winston Zeddemore

“We’ve been looking for over an hour, Shawn. I need a break.” -Gus,  “There’s got to be a logical explanation for where that horse and rider disappeared to.” – Shawn, “I’ve got one for you. The next dimension.” – Gus, “Really, Winston Zeddmore? That’s what you believe, huh?” – Shawn, “I haven’t slept in two days, Shawn. I don’t know what I believe.” -Gus

Winston Zeddmore on Wikipedia, Get Ghostbusters I & II on Amazon.com

S04E04, “The Devil’s in the Details… and the Upstairs Bedroom”:

  • Shawn

“Hello, Mrs. Ryan. My name is Shawn, This is Shawn–no relation–we’re grief counselors from the school.” – Shawn, 16:50

S04E05, “Shawn Gets the Yips”:

S04E06, “Bollywood Homicide”:

  • Greg

“That’s uh…Shawn and…um…Greg, and they helped me out with a problem earlier and I owe them.” – Raj, 17:00

S04E07, “High Top Fade-Out”:

  • B

“Whoa, Whoa, Gus. You’re listed as a recipient here. Do you remember getting this email?” -Shawn, “Yeah, I got it, and I immediately proceeded to place it in the trash bin.” – Gus, “Pssh, that’s cold, B.” – Tony (played by Jaleel White), 9:00

  • Detective Miles

“Well, I’m Shawn Spencer, this dead body here is Detective Miles.” – Shawn, 14:15

  • Gus Brown

“Let me take the lead on this one, Shawn. You’re way out of your element here.” – Gus, “Make it quick, gentlemen.” – Lenard’s Boss, “Thank you for taking the time to speak with us, sir. My name is Gus…Brown, and this is my associate Shawn White.” – Gus, “Wow” (whispered) – Shawn, 20:00

  • John Slade

“Excuse us, we were never formally introduced. I’m world-renowned Psychic/Lothario Shawn Spencer. This is my associate…” – Shawn, “Gus, but you can call me John Slade.” – Burton Guster, “I’m Chelsea.” – Chelsea (Lenard’s co-worker), 22:30

“Hello. Yes this is John Slade. Oh, hey, Chelsea. How you doing?” – Gus, “Who the hell is John Slade?” – Henry Spencer, “Hell no, B. I know your not using Diddle’s death to try to get some play with that shorty.” – Joon (played by Kenan Thompson), 24:00

“Chelsea Patterson, you’re under arrest.” – Det. Moses Johnson, “What is this….John Slade?” -Chelsea, “It’s the end of the road, Chelsea.” – Gus, 39:30

S04E08, “Let’s Get Hairy”:

  • Ron Davis
  • Bob Adams
  • Rich Fingerland

“Hey there, my name is Shawn Spencer, my associate Ron Davis, aka Bob Adams, known to his coven simply as Rich Fingerland.” – Shawn, 9:20

  • Black Magic

“No, but Halle Berry calls me ‘Black Magic’.” – Burton Guster, 9:25

  • Cheswhicke

“Hello there , Myrtle, my name is R.P. McMurphy. This is my partner, Cheswhicke. We both have some faulty wiring up in our noggins, and I’m afraid we’re gonna have to talk to the Doc” – Shawn, 14:30

S04E09, “Shawn Takes a Shot in the Dark”:

  • Donut Holestein

“My name is Shawn Spencer, this is my associate Donut Holestein.” – Shawn, 11:00

S04E10, “You Can’t Handle This Episode”:

  • Ghee Buttersnaps
  • The Heater

“I got you, Lassie. Gomer, Shawn Spencer, Paraguayan Ambassador. This is my attache, Ghee Buttersnaps, aka ‘The Heater’. We are here to deliver a large ornamental fruit basket filled with native delicacies to whoever runs this joint.” – Shawn, 8:45

“Oh, This is his partner Ghee Buttersnaps… That’s not your real name.” – Ewan O’Hara (Juliet’s brother), 11:50

“Listen up! At ease. At this moment, against my better judgement, I’m gonna overlook the blatant disregard for the rules and regulations of the United States Army, and say thank you to Shawn Spencer and his partner… Ghee Buttersnaps for their efforts to uncover Lieutenant Wallch’s criminal misconduct.” – Major General, 34:10

S04E11, “Thrill Seekers and Hell-Raisers”:

S04E12, “A Very Juliet Episode”:

  • The Vault of Secrets

“I will handle this in perfect stealth mode. You might not know this, but I’m known as The Vault of Secrets.” – Gus, 7:00

S04E13, “Death Is in the Air”:

  • Puffy

“Good news, Puffy.” – Dr. Reidman , “Yeah, I heard. They got the cure.” – Gus, “I hadn’t heard that. But it doesn’t matter anyway, Detective O’Hara doesn’t have Thornburg.” Dr. Reidman, 36:30

S04E14, “Think Tank”:

  • Ghee Buttersnaps
  • Lavender Gooms
  • Clementine Wooliesocks

“Burton Guster, or should I say Ghee Buttersnaps or Lavender Gooms or Clementine Wooliesocks, perhaps?” – Walter Snowden, 3:45

S04E15, “The Head, the Tail, the Whole Damn Episode”:

  • Guts
  • Old Ironside
  • Old Iron Stomach

“You know what? That’s it. We’ve been doing this for four years, I don’t need you to look out for me. I have a new name now. For now on, I want you to call me ‘Guts’…Never mind, call me Old Ironside… Old Iron Stomach. That’s me.” – Burton Guster, 3:00

  • Tin Tummy

“The victim was chewed off just below the waist…” – Woody, “Tin Tummy.” – Shawn, “Iron Stomach” – Gus , 34:15

S04E16, “Mr. Yin Presents…”:

  • Gustavson

“I mean, we’re clearly dealing in themes and motifs. Him knowing we were here last night, our clues are gonna be found in Hitchcock films.” – Gus, “That’s very good, Gustavson” – Mary Lightly, 11:30