Episode Guide

The Troll Manifestation

The Troll Manifestation

Season 8, Ep. 14

An online troll rips Leonard and Sheldon's published physics paper, so the guys rally to defend the two and expose the bully, while a girls night out leads to Penny, Amy and Bernadette dishing about embarrassing past events.

First Aired: February 5, 2015. 

The Anxiety Optimization

The Anxiety Optimization

Season 8, Ep. 13

Sheldon becomes concerned that his cushy lifestyle is impacting his professional progress and keeping him from achieving scientific renown, so he asks the gang to make life more difficult for him. Meanwhile, Howard invents an unflattering game about Raj.

First Aired: January 29, 2015. 

The Space Probe Disintegration

The Space Probe Disintegration

Season 8, Ep. 12

While Raj eagerly awaits data from a space probe in which he was involved, Howard keeps distracting him. Later, dress shopping with Penny and Amy doesn't exactly prove to be a good fit for Leonard and Sheldon.

First Aired: January 8, 2015. 

The Clean Room Infiltration

The Clean Room Infiltration

Season 8, Ep. 11

On Christmas Eve, Amy plans a traditional Victorian dinner, while Raj, Leonard and Howard scramble to remove a pigeon that flew into the clean room at the university. To prove a point to Amy, a Scrooge-like Sheldon buys her the worst possible gift.

First Aired: December 11, 2014. 

The Champagne Reflection

The Champagne Reflection

Season 8, Ep. 10

It's a banner day for Sheldon as he bids a sad farewell to his "Fun With Flags" podcast. Meanwhile, Leonard, Howard and Raj probe a late professor's research in search of some hidden significance; and Bernadette is surprised when Penny reveals how her co-workers really feel about her.

First Aired: November 20, 2014

Season Premiere

Monday, September 21 at 7:30ET/PT on CTV

Available Online: September 22. 
 
Watch full-length episodes of The Big Bang Theory online for 7 days after the original broadcast.

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