I think it’s a movie having to do with either skiing or camping, not sure. The dog desperately has to communicate with its people and starts playing Charades. Siskel & Ebert thought it was “inspired.”
“Up the Creek”?
Chuck has to let the guys know where the Military dudes have taken Irwin.
eta: ninjaed, but I have a link, so there!
Two minutes! 
Yep, you had the link…you win 
Whee! I’m King of the Internet!
That is one hilarious movie, though. Never seen an official DVD release, which is a shame. Matheson is very good.
“Was it as good for you as it was for me this time?”