The Best Episodes Directed by Peter Chakos
#1 - The Lunar Excitation
The Big Bang Theory Season 3 - Episode 23
While Penny worries that dating Leonard has ruined her for normal guys, Wolowitz and Koothrappali search for Sheldon's perfect match online.
8.21 
#2 - The Parking Spot Escalation
The Big Bang Theory Season 6 - Episode 9
Sheldon and Wolowitz's fight over a parking spot at the university impacts the whole gang.
8.09 
#3 - The Zarnecki Incursion
The Big Bang Theory Season 4 - Episode 19
The guys go all out to help Sheldon find the person responsible for hacking his online gaming account, while the girls' hatred for Priya increases.
8.07 
#4 - The Stag Convergence
The Big Bang Theory Season 5 - Episode 22
After the guys throw Howard a bachelor party, Bernadette reconsiders marrying him after learning about his sexual history.
8.05 
#5 - The Gorilla Dissolution
The Big Bang Theory Season 7 - Episode 23
A bad day compels Penny to re-evaluate her choices -- including Leonard; Bernadette and Howard must care for Mrs. Wolowitz; Sheldon gives Raj advice on relationships.
8.04