This week we're featuring duets. We have singing duets, snacking duets, and episodic duets all from our favourite pics of the week.

 Hawaii Five-0  

 Mondays at 10.00 et/pt 

It's the crossover episode we've all been waiting for! NCIS: Los Angeles star Special agent 'G' Callen (Chris O'Donnell, L) really looks like he's scoping out Danno (Scott Caan, R) in this shot. Watch the episode online now.

 Glee 

Tuesdays at 8.00 et/pt 

"Once, La Thibodeaux stopped a performance of Medea at The Met because someone glanced at their watch while she was doing one of her 'I'm killing my babies' arias." Whoopi Goldberg makes her first of three guest appearances on Glee as New York Academy of Dramatic Arts evaluator Carmen Tibideaux. Watch this episode online now. 

 NCIS: Los Angeles 

Tuesdays at 9.00 et/pt 

You know, not many people could pull off looking all business wearing an Aloha shirt the way Chin Ho Kelly (Daniel Dae Kim, R) does. The Hawaii Five-0 crossover episode continues after the suspect moves to the mainland with a deadly virus in tow on NCIS: Los Angeles. Watch this episode online now.

 Survivor: One World 

 Wednesdays at 8.00 et/pt 

Looks delicious! Was it worth one million dollars? Watch this episode online now. 

 The Cleveland Show  

 Sundays at 7.30 et/pt 

A special time slot with special guest stars! Darren Criss (R) and Fergie (L) sing three original songs in the latest episode of The Cleveland Show. Watch this episode now.