NCIS: Los Angeles' Deeks and Kensi will have more than just knife wielding gurkhas to worry about during "Expiration Date."

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The couple will launch into their first fight next Monday, but the argument may pale in comparison to the absolute chaos that will break out around the. As Thapa (Ernie Reyes Jr.) returns to help protect the team, Sam will get shot, a crew of gurkha's will masquerade a nurses, and Deeks will enter a fight wielding a fire ax.

In light of all this, a little Densi fight may seem like a drop in the bucket. From the look on Kensi's (Daniela Ruah) face, however, the partner's spat will defiantly have ramifications.

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"Defiantly moving too fast," Kensi says in a new promo, pushing back the covers on the bed she's sharing with a sleeping Deeks (Eric Christian Olsen).

Whatever the problem, viewers will see soon see Deeks and Kensi in a whole new light.

"#HappySaturday morning. [Terence Nightingall] completed D[ay] 1 of E614," executive producer John Peter Kousakis tweeted in January. "He directed #densi in a scene like never b4 in 6 years. #staytuned."

Find out more when NCIS: LA airs Mondays at 10 p.m. ET on CBS. Click the video below to see a preview for "Expiration Date."