The Big Bang Theory Season 5 Complete Pack Info

: Leonard Nimoy provides the voice for a Sheldon-sized Spock action figure, and Brent Spiner appears alongside series regular Wil Wheaton .

: The milestone episode, "The Recombination Hypothesis," sees Leonard and Penny attempt a "beta test" of their relationship after their initial breakup, marking a central narrative shift for the series. The Big Bang Theory Season 5 Complete Pack

The season is notable for bringing together icons of science and science fiction: : Leonard Nimoy provides the voice for a

: Laurie Metcalf returns as Mary Cooper, and Christine Baranski reprises her role as Leonard’s mother, Beverly. "Complete Pack" Features "The Recombination Hypothesis