The Big Bang Theory
Jim Parsons, "The Good Guy Fluctuation" (Thursday Oct. 27), CBS
Hawaii Five-0
Robert Englund, "Ka Iwi Kapu" (Monday, Oct. 31), CBS
The Secret Circle
Phoebe Tonkin and Britt Robertson, "Masked" (CW)
Suburgatory
Jeremy Sisto and Jane Levy, "Halloween" (Wednesday, Oct.26), ABC
Whitney
Whitney Cummings and Ken Marino, "The Wire" (Thursday, Oct. 27), NBC
90210
Jessica Lowndes and Tristan Wilds, "It's the Great Masquerade" (CW)
Desperate Housewives
Madison De La Garza and Eva Longoria, "Witch's Lament" (Sunday, Oct. 30), ABC
Glee
Chris Colfer, "The Rocky Horror Glee Show" (Tues., Oct. 26, 2010), Fox
The Vampire Diaries
Nina Dobrev, "Masquerade" (Thurs., Oct. 28, 2010), CW
Cougar Town
Courteney Cox, "You Don't Know How It Feels" (Wed., Oct. 27, 2010), ABC
Modern Family
Jesse Tyler Ferguson, "Halloween" (Wed., Oct. 27, 2010), ABC
The Office
Ed Helms, "Costume Contest" (Thurs., Oct. 29, 2010) NBC
The Office
Leslie David Baker, "Costume Contest" (Thurs., Oct. 29, 2010) NBC
Community
"Introduction to Statistics" (Thurs., Oct. 28, 2010), NBC
How I Met Your Mother
Josh Radnor, Jason Segel, Neil Patrick Harris and Cobie Smulders, "Caning Randy" (Mon., Nov. 1, 2010), CBS
Desperate Housewives
Marcia Cross and Vanessa Williams, "Excited and Scared" (Sun., Oct. 31, 2010), ABC
Raising Hope
Lucas Neff and Shannon Woodward, "Happy Halloween" (Tues., Oct. 26, 2010), Fox
Parenthood
Monica Potter, Max Burkholder and Peter Krause, "Orange Alert" (Tues., Oct. 19, 2010), NBC