After having a falling-out in the previous episode, Howard (Simon Helberg) and Raj (Kunal Nayyar) take their conflict to a whole new level. Also, on the next episode of the sitcom "The Big Bang Theory," Howard and Sheldon (Jim Parsons) plan a birthday party for Amy (Mayim Bialik) and baby Halley. Leonard (Johnny Galecki) will also face a personal problem involving his brother.

In the promo video of season 11's 11th episode, titled "The Celebration Reverberation," Howard and Raj push each other while inside a bouncy house. However, just like most of their physical fights in other episodes, Howard and Raj always manage to make fun of themselves. Raj and Howard also start to insult each other with personal references on the next episode.

In the previous episode, Raj decided to spend time away from Howard in order to gain the confidence he lost after years of jokes and ridicule from the engineer. In episode 10, Raj also landed a new job at the Planetarium and also decided to do something different with his hair.

Unlike previous issues in past episodes, Howard and Raj were able to quash their misunderstandings in a single episode. There are no hints from the show's producers if the two will be able to bury their conflict.

Elsewhere, the 11<sup>th episode will feature the birthday celebration of Amy and Howard and Bernadette's (Melissa Rauch) daughter Halley. Leonard will also be troubled with an issue of his own after his older brother sends him a letter. The letter will make Leonard question his own accomplishments.

"The Big Bang Theory" series continues to wow fans and critics with new episodes. The series received great reviews from critics. IMDb gave the sitcom a score of 8.3 out of 10, and 8.9 out of 10 from TV.com.

The next episode will air on Nov. 14 at 8 p.m. on ABC.