CBS has released promotional images from tonight's all-new episode of The Big Bang Theory.
Entitled The Locomotion Reverberation, the episode sees Leonard and Howard using Sheldon's love of trains to distract him from slowing the progress of their guidance system project.
Check out all the images posted below...
Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley.
Starring Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Mayim Bialik and Melissa Rauch, The Big Bang Theory returns with an all-new episode tonight at 8pm.
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