TV Guide Nickelodeon

We find out who can scare Storm in 'Scary Stories', then in 'The Smurf Who Lost His Shadow', Hefty's shadow wants to be free, but once they're separated, they're both in danger

Two familiar faces from SpongeBob's past visit Bikini Bottom in 'Something Narwhal This Way Comes', then in 'C.H.U.M.S', After falling down the drain, Plankton finds an unlikely ally in the sewers

Mrs. Puff's new substitute gives SpongeBob a crash course in driving in 'Potato Puff', then in 'There Will Be Grease!', Mr. Krabs and Plankton must work together after discovering a well of grease

At the end of the second series of the computer-animated adventures of the wise-cracking blue hedgehog, Tails' doppelganger Nine (voiced by Ashleigh Ball) stole the Prism Shards to create a new reality, consigning Sonic (voiced by Deven Mack) and Shadow (Ian Hanlin) to a grim fate. Spiny mammals rally in these eight action-packed episodes, which force former enemies to forge alliances and restore stability to a mouldering Shatterverse. If Sonic is going to restore his reality in Green Hill, he will need to place his trust in friends Amy Rose (Shannon Chan-Kent), Knuckles (Adam Nurada) and Rouge (Kazumi Evans) as well as scientist Dr Eggman (Brian Drummond)

Scissors lies about Rock's birthday to get free cake in 'Birthday Police', then in 'Paper's Big Lie', Paper lies to impress his neighbour, and has to defend the world from an alien invasion.

Rock, Paper, and Scissors meet another trio with familiar names in 'The Other Rock, Paper, Scissors', then in 'The Astonishing Catalina', a feud between Scissors and a magician must end.

Squidward takes a new job as Manager of Weenie Hut Jr's in 'Wiener Takes All', then in 'Stuck in an Elevator', Squidward gets trapped on his way to return a nearly overdue library book. (S15, ep 5)

Man Ray rents Squidward's house, so SpongeBob and Patrick must stop his vacation in 'Man Ray Returns', then in 'Larry the Floor Manager', Mr. Krabs takes a vacation and hires a temporary manager