Walker, Texas Ranger: Trial by Fire david 6 years ago Walker, Texas Ranger: Trial by Fire – (2005) Walker and Gage track a youth who is the target of killers wanting the missile-guidance system he possesses. . . . . INSP – Sunday 10 pm ET / 7 pm PT – Dish 259, DirecTV 364, U-verse 564, Fios 286, local cable.