Season
Season 12 Episode
- Season 12 The Conjugal Configuration
- Season 12 The Wedding Gift Wormhole
- Season 12 The Procreation Calculation
- Season 12 The Tam Turbulence
- Season 12 The Planetarium Collision
- Season 12 The Imitation Perturbation
- Season 12 The Grant Allocation Derivation
- Season 12 The Consummation Deviation
- Season 12 The Citation Negation
- Season 12 The VCR Illumination
- Season 12 The Paintball Scattering
- Season 12 The Propagation Proposition
- Season 12 The Confirmation Polarization
- Season 12 The Meteorite Manifestation
- Season 12 The Donation Oscillation
- Season 12 The D & D Vortex
- Season 12 The Conference Valuation
- Season 12 The Laureate Accumulation
- Season 12 The Inspiration Deprivation
- Season 12 The Decision Reverberation
- Season 12 The Plagiarism Schism
- Season 12 The Maternal Conclusion
- Season 12 The Change Constant / The Stockholm Syndrome
- Season 12 Unraveling the Mystery: A Big Bang Farewell
The Big Bang Theory - Season 12 Episode 15 The Donation Oscillation
7.91 22 minutes Penny tries to seduce an abstaining Leonard to ruin his "donation" for her ex-boyfriend, Zack, and his wife, Marissa. Also, Wolowitz, Bernadette, Anu and Koothrappali turn Koothrappali's canceled bachelor party into a couple's trip.
