Everything you need to know about the Lethal Weapon TV series

Most of us know Lethal Weapon because of the blockbuster movies.

But it's also American buddy cop action TV series, based on the film franchise of the same name, and the best part? If you're looking for a new series to watch, you can stream it free on 9Now.

Stream full seasons of Lethal Weapon for free on 9Now.

If you're still not convinced, we've got you covered. Here's everything you need to know about the series, so you can get stuck into it this weekend.

What is Lethal Weapon all about?

Lethal Weapon on 9Now
Clayne Crawford and Damon Wayans star in Lethal Weapon. (Nine)

Lethal Weapon centers around Martin Riggs and Roger Murtaugh, two mismatched detective partners who were originally portrayed by Mel Gibson and Danny Glover in the movies.

Murtaugh, an aging detective with a wife and three children, is partnered with Riggs, a young, unstable detective who recently suffered a tragic loss.

RELATED: Reality TV star Melyssa Ford enlists help of Millionaire Matchmaker to find love

While Riggs' devil-may-care methods of collaring criminals puts his and Murtaugh's lives in danger on a regular basis, the two are able to develop a respect and form a close friendship.

Who stars in Lethal Weapon?

Lethal Weapon centers around Martin Riggs and Roger Murtaugh, two mismatched detective partners. (FOX)

For its first two seasons, Lethal Weapon starred Clayne Crawford and Damon Wayans as Riggs and Murtaugh.

Crawford is largely known for minor roles in films such as A Walk to Remember and Swimfan, while Wayans has starred in a number of films and TV shows, including Beverly Hills Cop, The Last Boy Scout and the sitcom My Wife and Kids.

RELATED: 10 things you didn't know about medical drama House

In May 2018, however, Crawford was fired from the show after allegations of bad behaviour and hostility towards the cast and crew, resulting in the Martin Riggs character being killed off.

Seann William Scott of Dude, Where's My Car?, Final Destination and Dukes of Hazzard was hired to replace him the following season as a new character, Wesley Cole.

How can I watch Lethal Weapon?

There are three seasons of Lethal Weapon, which ran from 2016 to 2019.

The entire first and second seasons of Lethal Weapon are available to stream for free on 9Now.

In Pictures
First look: Dallas revival
Dallas: Where the cast of the 2012 reboot series are now
From the iconic Southfork ranch to Wisteria Lane
View Gallery