E1.
Hammerhead RockThe first episode of the series where Petra Fina and the gang arrived from the Stone Age year and tries to capture the first Time Shifter named Getalong, and there they meet the prehistoric caveboy named Flint Hammerhead and his father Rocky Hammerhead (in human form).
E2.
JitterbugThis is the first mission of Flint, Sarah and Tony as time detectives. The team are sent back to the 2nd century A.D. Japan to retrieve and rescue the Time Shifter Jitterbug. On arrival, the group help Queen Himiko of Yamatai and her sister Nashimi to restore order after Petra Fina and her gang overthrew them and took them as prisoners.
E3.
EldoraThe team heads back to 16th century South America in order to rescue the Time Shifter Eldora. Upon arriving, they are captured by Spanish Conquistadors and end up as prisoners where they try to extract the location of the Golden Condor from them. In help of the leader's only son named Lucas, they escape and aim to help a group of ancient Incas to return to their village and to prevent further attacks from the Conquistador who are revealed to be acting under Petra Fina's orders.
E4.
TalenThe team is sent back to the Heian Period of Japan (794 A.D.) in search of the Time Shifter Talen. After confronting the villains, Petra Fina and Flint are dragged into the tale of Princess Kaguya as Talen attempts to escape. Within the story, Flint befriends Talen (who disguises herself as the titular Princess Kaguya) and all three eventually escape the story. Petra Fina subsequently captures Talen and Flint must fight to rescue his new friend.
E5.
MosbeeThe team is sent back to Russia in 1812 to search for the Time Shifter Mosbee. There they encounter the invading forces of the First French Empire under Napoleon Bonaparte, as well as Mosbee who ends up being brainwashed by Petra Fina. Petra Fina secures the loyalty of Napoleon and his forces after using Mosbee-Con to freeze their Russian opponents. Flint must fight Mosbee-Con and restore order. A mysterious character also makes a first appearance to help Flint. Upon Mosbee being free, Napoleon decides that Russia is too cold to invade and has his forces retreat back to France.