Sitcoms are some of the most rewatchable shows out there.

Sitcoms are known for tropes like running gags, will-they-or-won’t-they romantic pairings, and unique structures like bottle episodes.

These seasons are funny and typically light on filler episodes, unless those episodes are especially hilarious.

The cast of ‘It’s Always Sunny in Philadelphia’ stand in front of a car smiling at something off-camera

Image via FX

These are great seasons that stand out in already fantastic shows.

There were a lot of heartfelt momentsand very funny episodes.

Season 4 ofThe Officeis a spectacular and absolutely hilarious season of television.

Steve Carell and Ed Helms in The Office “Dinner Party” episode

Image via NBC

Number one: How dare you?"

There was the slap bet, the Ducky Tie, and all of the high-fives.

Season 5 wasHow I Met Your Motherat its best.

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Therelationships between the extremely close group of friendswere absolutely magnetic.

It was a long-running show for many reasons and a joy to watch.

Season 5 ofFriendswas especially fantastic.

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Additionally, Ross went through a wild divorce with Emily, leading him into the arms of Janice.

Phoebe gave birth to her brother’s triplets.

The show ran for only 2 seasons before it was sadly canceled, and it was absolute comedy gold.

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The roommate relationship between June and Chloe was hilarious as well as endearing.

The show’s first season was strong, but Season 2 was absolutely phenomenal.

Although it got a revival, the newer episodes were just not on the same level as the originals.

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It was sharp and funny, following the self-centered Bluths and their crime-ridden real estate company.

Season 2 ofHappy Endingshad some truly scream-out-loud funny moments.

It wasNick and Jess’s epic first kissin Episode 15, “Cooler.”

Ted Mosby, Robin Scherbatsky, Barney Stinson, Lily Aldrin, and Marshall Erikson dancing in suits in “How I Met Your Mother”

Image via CBS

NEXT:The 10 Best So-Bad-They’re-Good TV Sitcoms, Ranked

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Lisa Kudrow as Phoebe holding triplets in a hospital bed in Friends

Image via NBC

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June Colbern and Chloe shopping at an outdoor market in ‘Don’t Trust the B in Apartment 23’.

Image via ABC

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Cast Placeholder Image

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Arrested Development - season 2

Image via 20th Century Fox Television

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Brad and Jane in Happy Endings smiling

Image via ABC

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Nick Miller holding Jess Day in a swimming pool in New Girl

Image via FOX

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The cast stand together in a therapist’s office in It’s Always Sunny in Philadelphia.

Image via FX

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