Time Trax - Season 1 - Eps 20: Photo Finish
SELMA has discovered that history has been changed in several horse races in Australia. Lambert investigates, and finds that the winning horse has been injected with a stimulant from the future. As if the burden of proof isn't hard enough, the next big race is starting soon, and Lambert's jockey friend could be in danger.
About Time Trax

Title: Time Trax
First Air Date: 1993-01-20
Last Air Date: 1994-12-03
Status: Ended
Rating: 6.4/10 (from 28 votes)
Language: EN
Seasons: 2
Total Episodes: 44
Network: Prime Time Entertainment Network
Genres: Sci-Fi & Fantasy
Production Companies: Lorimar Television, Warner Bros. Television, Gary Nardino Productions
Synopsis
Time Trax is an American/Australian co-produced science fiction television series that first aired in 1993. A police officer, sent through time into the past, has to track down and return convicted criminals who have escaped prison in the future. This was the last new production from Lorimar Television.
Cast

Dale Midkiff
Darien Lambert

Elizabeth Alexander
Selma