Tim tampers with history when he goes back in time ? and talks the Indians out of selling Manhattan.
Martin's molecular reassembler turns a squirrel into a human.
A beam from Martin's regenerator gives Mrs. Brown power to foresee the future.
A mosquito bite causes Martin to act like a race horse.
Martin summons Leonardo da Vinci for help in fixing his spaceship.
Martin's personality alternator turns Mrs. Brown into a thief.
Trouble begins when Tim contracts a Martian virus.
Martin turns himself into a liquid ? and is lapped up by Tim's dog.
Trouble begins when Martin's Martian nephew lands on Earth ? and tells everyone where he's from.
A gypsy curse causes Mrs. Brown to drop anything she picks up.
Tim is kidnapped by sinister CRUSH agent Butterball.
In a department store, Martin is frozen into a mannequin-like pose.
Martin helps Mrs. Brown's brother build a robot that does household chores.
A short circuit in Martin's transmitter puts him and Tim on nationwide TV.
An invisible Martin is photographed capturing an escaped criminal.
The unexplained presence of "Uncle" Martin jeopardizes Tim's claim to an inheritance.
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