Little House on the Prairie: Season 5, Episode 23

Mortal Mission (12 Mar. 1979)

TV Episode  -   -  Drama | Family | Romance
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Ratings: 7.3/10 from 38 users  
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Charles and Jonathan meet with danger as deadly as the disease they left behind them when they are sent for the medical supplies needed to battle an outbreak of anthrax in Walnut Grove.



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Title: Mortal Mission (12 Mar 1979)

Mortal Mission (12 Mar 1979) on IMDb 7.3/10

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Episode cast overview, first billed only:
Carrie Ingalls (as Lindsay Sidney Greenbush)
Carrie Ingalls (as Lindsay Sidney Greenbush)
Harriet Oleson (as Katherine MacGregor)
Andrew 'Andy' Garvey (as Patrick Laborteaux)


Charles and Jonathan meet with danger as deadly as the disease they left behind them when they are sent for the medical supplies needed to battle an outbreak of anthrax in Walnut Grove.

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Release Date:

12 March 1979 (USA)  »

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Technical Specs

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Aspect Ratio:

1.33 : 1
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Did You Know?


Harriet Oleson: I just love you so much, Nels Oleson!
Nels Oleson: I know that.
Harriet Oleson: Do you? I don't... Well, I just don't know how you put up with me sometimes.
Nels Oleson: I don't put up with you, Harriet. I love you...
See more »


Stand By Me
Words & Music by Charles Albert Tindley
Sung by Ketty Lester
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User Reviews

Pretty intense
10 August 2013 | by (United States) – See all my reviews

What should you do when your sheep come down with what you believe to be anthrax? Slaughter the whole herd...nope! Keep them alive, kill the sick ones, and give to the unsuspecting citizens of Walnut Grove? Yep! But if you do that, make sure you wear gloves because it will go through your skin and give you the very same thing.

That's what happened. Though we have had disease episodes before, this one was made more personal. Laura, Albert, Alice, Nellie, Willie, Nels, Adam, and little Thomas all come down with this disease. Thomas is a cute little boy that has been seen in other episodes but will be seen for the last time in this one. Sorry, but I don't think it'll come to a big shock that out of all those people mentioned above, one of them had to die. It made it more personal.

Did anyone notice the similarity to the Plague episode? (I can't remember the name of it - was it Plague?) The man with the little boy and wife who died...The same man plays this part - I'm not sure about the boy. I thought it was interesting to give him the exact same part with the exact same results...

A bit of a Western spin is put on this episode as a man captures Charles and Jonathon and hold them in his house as they are coming back to Walnut Grove with the medicine. The part's kinda silly, but Little Joe...I mean...Michael Landon gets to play tough guy for a few minutes.

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