These are 10 episodes ofIt’s Always Sunny in Philadelphiathat are perfect from start to finish.

A really fantastic episode is the Season 16 finale, “Dennis Takes a Mental Health Day.”

Instead,Dennis experiences a number of technology mishaps that lead him to become increasingly more frustratedthroughout the installment.

The cast of It’s Always Sunny in Philadelphia smiling in a ridiculous way as they pose for a photo.

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Meanwhile,a jealous Dee triesto get between Brad and the Waitress.

The episode also introduces the hilarious relationship between Frank (Danny DeVito) and Artemis (Artemis Pebdani).

As it turns out, this is actually quite a lot.

It’s Always Sunny in Philadelphia Season 16 Poster

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What really makes the episode is the addition of a new Charlie song, and the surprisingly sweet ending.

Besides that, though, this episode isabsolutely perfect and severely underrated.

Somehow, every little detail counts, and it all pays off wonderfully at the end of the installment.

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He’s excited to show them off, until he sees Charlie smashing the tape.

Somehow, every little detail counts, and it all pays off wonderfully at the end of the installment.

As Charlie embraces his newfound intelligence, the rest of the Gang struggle with the change.

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As Charlie embraces his newfound intelligence, the rest of the gang struggle with the change.

This episode both honors the original text while alsoSunny-fying it in the best way.

…Some really compelling and insightful looks into each one of the Gang’s backstories.

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It is also just absolutely hilarious.

This is where the episode takes an incredible turn.

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Kaitlin Olson tries on a wedding dress as Nasim Pedrad assists in It’s Always Sunny in Philadelphia Season 5

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Two men next to a sign that reads “Chardee MacDennis the Game of Games” on It’s Always Sunny in Philadelphia.

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Still from ‘It’s Always Sunny in Philadelphia’: Charlie stands centre frame looking concerned.

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The cast of It’s Always Sunny in Philadelphia stand in front of a car, look and smile at something off-camera

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Dennis, Mac, and Dee in It’s Always Sunny in Philadelphia “The Gang Tries Desperately to Win an Award”.

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Dennis Reynolds and Mac McDonald talking to Charlie Kelly in It’s Always Sunny IASIP Season 4.

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Charlie standing up with a cane in It’s Always Sunny in Philadelphia “Flowers For Charlie”

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

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Mac McDonald and his dance partner in It’s Always Sunny in Philadelphia IASIP Mac Finds His Pride

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It’s Always Sunny in Philadelphia