![](https://image.tmdb.org/t/p/original/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![](https://image.tmdb.org/t/p/w342/3BZdOE7zeYX1DGscvIyUTEkUMbi.jpg)
Magnificent Mucus
The doctors reveal the power of mighty mucus in keeping bacteria and air particles out of your airways. And in the emergency department, Maisie has a bead stuck up her nose!
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![](https://image.tmdb.org/t/p/w300/5QllU1d5EQjF2mniTW5vP16cHWu.jpg)
Other episodes for this season
![It's Hairy!](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![How Can You See in the Dark?](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Magnificent Mucus](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Mind you Don't Fall!](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Tendon Take Off!](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Mouth v Knee](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![You're Mostly Made of Water!](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Explosive Energy!](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Fingers on Buzzers!](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Earmageddon!](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Heroic Hippocampus](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Totally Gross!](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Totall Gross!](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Operation Ouch! Does Space](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Let's Talk About Cancer](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
The doctors reveal the power of mighty mucus in keeping bacteria and air particles out of your airways. And in the emergency department, Maisie has a bead stuck up her nose!