Walker, Texas Ranger Season 7 Episode 7 : Survival

What was supposed to be a six-day camping trip filled with campfires and nature hikes quickly turns into a nightmare for Walker after Alex is kidnapped by the crazy Trammel brothers. Walker, along with his buddies Trent, Carlos and Trivette, immediately follows their trail. When Trivette is buried under falling boulders, Carlos must lead him to safety and Walker and Trent are forced to go it alone. (Taken from CBS Homepage)