#9 "The Middle-Earth Paradigm" (Season 1, Ep., Aired: 10/29/2007) - Penny puts on a Halloween party and Leonard almost gets in a fight with her muscular ex-boyfriend! Funniest Moment: Sheldon tries to explain his costume as The Doppler Effect.
#8 "The Staircase Implementation" (Season 3, Ep.22, Aired: 5/17/10) - Leonard recounts the story of how he came to live with Sheldon to Penny. Funniest Moment: Leonard experiments with a new kind of rocket fuel and almost destroys the apartment, if not for Sheldon, who puts it in the elevator thus saving their lives!
#7 "The Justice League Recombination" (Season 4, Ep.11, Aired: 12/16/10) - The guys dress up as the Justice League of America for a New Year's Eve party/contest at Stewart's comic book store with Zack as Superman and Penny reluctantly as Wonder Woman. Funniest Moment: The gang, dressed as superheroes, witness a carjacking and consider helping but then slowly walk away.
#6 "The Transporter Malfunction" (Season 5, Ep. 20, Aired: 3/29/12) - Penny buys Leonard and Sheldon vintage Star Trek MEGO transporters to make-up for freeloading. Sheldon has a decision to make to open or not to open and play with his despite hearing the voice of Leonard 'Spock' Nimoy telling him to. When he finally relents, he breaks his and tries to switch his with Leonard's! Funniest Moment: A Gorn scares Sheldon in his dream after he talks to his Spock toy.
#5 "The Nerdvana Annihilation" (Season 1, Ep., Aired: 4/28/08) - After the gang buy a life-size replica of The Time Machine online, Leonard considers getting rid of all of his collectibles. Funniest Moment: The gang pretend to move forward in time while Leonard turns on the time machine.
#4 "The Excelsior Acquisition" (Season 3, Ep.16, Aired: 3/1/10) - Following the events of "The Adhesive Duck Deficiency" (Season 3, Ep.8, Aired: 11/16/09), Sheldon is fined for running a red-light when he took Penny to the emergency room. Problem is, he has to appear in court the same day that Stan Lee will appear at the comic book store! Funniest Moment: Sheldon and Penny appear at Stan Lee's front door for an autograph!
#3 "The Precious Fragmentation" (Season 3 , Ep.17, Aired:3/8/10) - The gang find "The One Ring!" from The Lord of the Rings at a garage sale and each of them compete for ownership. Funniest Moment: Sheldon sees himself as Gollum when he finally gets the ring!
#1 "The Pancake Batter Anomaly" (Season 1, Ep., Aired: 3/31/08) - Sheldon is sick and the gang try to avoid him at a theater with a "Planet of the Apes" marathon! Funniest Moment: Leonard tries to navigate his apartment blind while Howard guides him with a webcam.
"Live long and prosper... \\ /, Bazinga!"
LINKS: The Big Bang Theory on CBS, The Big Bang Theory on TBS, The Big Bang Theory on Facebook, The Big Bang Theory on Twitter