Terminator Decoupling - [s2e17] The

Sheldon remains entirely indifferent to her celebrity, viewing her existence as a potential Skynet infiltration plot. 3. The "Penny-Sheldon" Remote Interaction

The episode features actress (playing herself), famous for Terminator: The Sarah Connor Chronicles . [S2E17] The Terminator Decoupling

Howard uses the pun "It's hot in here, must be Summer," which backfires so spectacularly that she eventually breaks his phone. must be Summer

Sheldon simply loves trains, even if it means dragging the group through a 7-hour odyssey to meet Nobel laureate George Smoot. 2. The "Summer" Variable [S2E17] The Terminator Decoupling