The Shaggy Dog Movie Video

Hidden in the laboratory, Dave witnesses Dr. Kozak injecting the ailing Strictland with a drug that will paralyze him for several months, giving Kozak enough time to usurp control of the company. After viewing security cameras, Kozak and his minions realize that somehow Dave became an exact copy of Khyi Yang P
When Dave comes home, still in his canine form, he overhears a conversation between Carly and Josh that Dave and Rebecca may be filing for divorce. After hearing this, Dave then knocks over a Scrabble game and uses the letters to spell "I AM DAD," and then "GRANT AND STRICTLAND," revealing and clarifying all the past events to them. Unfortunately, when Dave gets out of the house, he is captured by Kozak's minions.
Dave is taken to the lab to be euthanized, but Kozak had a court summons, and had to leave, to deal with Dave later. Right before he exits, Kozak mocks Dave in canine form and is bitten in the process. He then begins to exhibit the same issues Dave had at the beginning of his adventure; Dave had successfully transferred the gene sequence into Kozak. After the humans leave, Dave and all the other mutants plan to escape. Acting on Khyi Yang Po's advice.The Shaggy Dog  Movie Video

The Shaggy Dog Movie Trailer

he overhears a conversation between Carly and Josh that Dave and Rebecca may be filing for divorce. After hearing this, Dave then knocks over a Scrabble game and uses the letters to spell "I AM DAD," and then "GRANT AND STRICTLAND," revealing and clarifying all the past events to them. Unfortunately, when Dave gets out of the house, he is captured by Kozak's minions.
Dave is taken to the lab to be euthanized, but Kozak had a court summons, and had to leave, to deal with Dave later. Right before he exits, Kozak mocks Dave in canine form and is bitten in the process. He then begins to exhibit the same issues Dave had at the beginning of his adventure; Dave had successfully transferred the gene sequence into Kozak. After the humans leave, Dave and all the other mutants plan to escape. Acting on Khyi Yang Po's advice (he had developed the ability to understand canines prior), Dave calms himself and in human form breaks open his cage and opens the others. They all pile into a car and drive to the courthouse, but get into traffic, forcing Dave to leave the animals to drive while he meets his wife and children in his canine form. Dave says he loves them, and eventually calms enough to return to his human state.The Shaggy Dog  Movie Trailer

The Shaggy Dog Movie Wiki

His family, ignorant of Dave's new canine form, speak freely in his presence, leading Dave to realize that he is estranged from them. In particular, he learns that his son Josh (Spencer Breslin) wants to sing in the musical Grease instead of playing football, but is too scared to tell his father so.
In the ongoing trial, testimony from the activist accused of setting the lab on fire includes a description of the animals behaving like dogs, which sparks Dave's suspicions about the company he is defending. When his dog-like behavior annoys the judge, Dave is removed from the case. He then decides to take matters into his own hands and infiltrates Grant and Strictland headquarters while in his canine form.
Hidden in the laboratory, Dave witnesses Dr. Kozak injecting the ailing Strictland with a drug that will paralyze him for several months, giving Kozak enough time to usurp control of the company. After viewing security cameras, Kozak and his minions realize that somehow Dave became an exact copy of Khyi Yang Po.

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Dave Douglas (Tim Allen) is a deputy district attorney who prosecutes activists who have broken into the pharmaceutical corporation Grant and Strictland, which the activists accuse of animal experimentation while searching for a "Fountain of Youth." This distances Douglas from his activist daughter Carly (Zena Grey).
The greedy geneticists working for Mr. Lance Strictland (Philip Baker Hall), led by Dr. Kozak (Robert Downey, Jr.), have stolen from a Tibetan Buddhist monastery a sacred dog Khyi Yang Po (a Bearded Collie), whose DNA carries a mutation granting an extraordinary lifespan. Seeking to obtain his immortality for themselves, the geneticists carry out several experiments which fail spectacularly. Unable to isolate the specific gene that provided for the dog's lifespan, they injected the dog's gene sequence into the test subjects, resulting in unwanted side effects. The scientists determine that Khyi Yang Po's genetic sequence, when isolated and put into a vaccination, invades and alters the cells and DNA of a victim. Unlike normal sicknesses, Khyi Yang Po's code can not be defeated by natural immune systems and so it will remain and invade the entire host.
Khyi Yang Po manages to escape the facility, with some of the vaccine remaining on his mouth and face.