This underrated Rose Byrne comedy is the best show on TV.

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After a two-year wait between seasons, Platonic is finally back.

Never heard of it? You really should have. Okay, I'll say more.

Platonic is an Apple TV+ comedy series that revolves around the rekindled friendship between Sylvia and Will, brought to life by Rose Byrne and Seth Rogen — yep, the same hilarious co-stars from the Bad Neighbours films.

Sylvia and Will were college besties but became estranged after they married different people in their later years.

Season 1 picks up on Will, a free-spirited craft brewer, when he's getting divorced and reconnects with his old pal as he tries to navigate the fallout of his marriage.

At the same time, Sylvia is now a restless stay-at-home mother of three living in Los Angeles looking to rediscover herself after years spent prioritising her family over her career.

The series was created by husband-wife writing team Francesca Delbanco and Bad Neighbours director Nicholas Stoller, a duo most known for their heartfelt series Friends From College.

Watch the Season 2 trailer. Post continues after video.

Season 2 picks up a year after the first season as Will is set to marry someone new but this time, his bestie is by his side — she is, quite literally, planning the wedding.

As expected, these two are straight fire together. Byrne and Rogen's believable and authentic chemistry carries the series; their banter is hilarious and their comedic timing is always on the beat.

Rogen is at his lovable best when he plays these slightly unhinged, immature but ultimately kind-hearted characters, and he's just as good in this as he was in some of his most iconic films, Knocked Up and Pineapple Express.

Less important, BUT the wardrobe from costume designer Kameron Lennox needs to be applauded — this man dresses so damn sharp, and between the colourful shirts, zany prints and coordinated hats, he's in even finer form in Season 2.

It's saying something that when the truly mesmerising Rose Byrne is in the scene, my eyes can't help but wander towards Rogen's cute little outfits. The man CAN dress.

Image: Apple TV+.

That said, Byrne's performance as Sylvia is utterly charming: simply put, the Australian actress is one of the greatest comedic actors of our time. In her role as a struggling mum, she shines when placed in situations of chaos (hint: this happens to Sylvia a lot), and her skilled physical comedy and hysterical line delivery ensure her scenes are always laugh-out-loud funny.

Overall, the ensemble cast is so damn strong. Carla Gallo is no stranger to Rogen's films and appears as the erratic Katie, Sylvia's close confidant. Tre Hale and Andrew Lopez round out Will's circle as Andy (his loyal coworker) and Reggie (his business partner and ex-wife's stepbrother).

In particular, Luke Macfarlane stands out as Charlie, Sylvia's kind, supportive but often bewildered husband — an adorable character and stable presence in Sylvia's life that he plays with ease, perfectly offsetting Will's neurotic nature.

Make no mistake, Platonic is just as binge-worthy as Nobody Wants This but with the thoughtful sensibilities of another Apple series, Shrinking.

The writing is sharp, original and hilarious, but where the show excels most is how it subverts the expectations of a predictable romantic comedy.

Platonic asks whether men and women can be friends. Then refuses to answer such a stupid f**king question.

Image: Apple TV+.

This series could easily have morphed into a typical friends-to-lovers tale that we've seen in When Harry Met Sally, Made of Honour, Win A Date with Tad Hamilton or Monica and Chandler in Friends.

It flirts with this concept in the first episode, as Sylvia tells her husband: "Men and women don't really hang out with each other at our age." But just when the viewer expects the series to turn into a will-they/won't-they love story between Will and Sylvia, we quickly realise that there is zero romantic tension between these friends.

Platonic doesn't even bother exploring that relationship because, let's be real — the idea that there is sexual tension lingering under the surface of every cross-gender friendship is outdated and inane.

These two thrive together as friends — not as romantic partners — and by placing a friendship as the centrepiece of this story, the series is doing something far more revolutionary.

Along with this dynamic, Platonic offers a truly insightful narrative on mid-life panic, the aftermath of divorce and motherhood, and how complicated adult friendships can be to navigate.

The show feels new but simultaneously familiar. Platonic is ultimate comfort TV that sits in the same spot as the Rogen-starring Judd Apatow comedies that many of us were raised on, but without the loser stoner characters and sexist rhetoric.

Of course, it's not a flawless piece of television. Not every joke hits and it does rely heavily on Rogen's familiar comedic persona, along with his well-trodden dynamic with his scene-partner of a literal decade, Byrne.

But honestly, who cares? They make damn good TV together.

Each episode is 30 minutes of pure delight and the creators have curated a world of dynamic characters who you won't want to leave. If you're not watching it, you're truly missing out on something special.

New episodes of Platonic drop weekly on Apple TV+.

Feature image: Apple TV+.