1. DiabolEek
Sharky is plagued by nightmares involving Eek and seeks professional help in the form of Dr. Elmo.
Eek! The Cat — Season 5
2. Pre-hysteric Man
Bill proclaims dominance over nature, until the wild life decides to strike back. This leads to lava flowing towards Jurassic City and the Thunderlizards must save the day.
3. Molten Rock-n-Roll
A helicopter with heavy metal idol Dee Snidersaur on board crashes in the X-Zone and into the clutches of the Thuggasaurs. The Thunderlizards go to save him.
4. MystEek Pizza
Eek gets blasted up into space after ruining one of Sharky's favorite shows.
5. Eek Bin Ein Berliner
A series of vignettes is created when Eek once again causes the destruction of Sharky's dog house.
6. Thunder Valley
Bill takes up Scooter's advice and tries to lose some weight. Meanwhile, the Thunderlizards' efforts are complicated by liquid helium.
7. Snowbored
Elmo chickens out of a snowboard race and cons Eek into going in his place.
8. Fists of Furry
With the help of Cynthia Raverock, Sharky starts training in martial arts.
9. The Island of Dr. Meow
Eek tries to brighten Sharky's day, which again causes the destruction of his dog house. Trying to relax while flying a kite, Sharky winds up on a island where bizzare experiments are being performed.
10. Home O'Sapien Alone
A demolition mixup means the Thunderlizards had better go hunt Bill and Scooter until General Galapagos calms down.
11. Nightmare on Elmo St.
Eek offers to help Elmo bake for a cake sale to help Timmy who believes that he is a genie. However, Elmo inserts too much mixture into a microwavable chocolate soufflé and it comes alive, attacking them.
12. Night of the Living Duds
The Thunderlizards head to the X-Zone to destroy a Thuggasaur cannon.
13. Show Squirls
Eek helps the squirrels put on a show, which turns into a road show and Sharky becomes their manager.
14. Eekscaliber
One sunny day, Eek leaves a chocolate bunny for Sharky, who slips and falls on the melted chocolate. After hitting his head, Sharky is transported back to the time of the Arthurian legends.
15. The FugEektive
Sharky loses his memory and is accused of a bank robbery. With John Walsh's help, Eek tries to clear Sharky's name.
16. The Sound of MusEek
Eek and friends host a benefit concert for Elmo's little brother Timmy.
17. Oh... The Humanity
The Thunderlizards have to guard a valuable discovery.
18. Rock-Eek 6
Sharky inadvertantly winds up injuring Platinum. He feels so guilty, he takes her place in a battle against Roboticus the Disturbed Android.